Reformatted the source files and generally straighten up the code.

--
user: Michael Guravage <michael.guravage@cwi.nl>
branch 'default'

changed src/Neighbor.cpp
changed src/Neighbor.h
changed src/OptionFileDialog.cpp
changed src/OptionFileDialog.h
changed src/UniqueMessage.cpp
changed src/UniqueMessage.h
changed src/VirtualLeaf.cpp
changed src/apoplastitem.cpp
changed src/apoplastitem.h
changed src/build_models/auxingrowthplugin.cpp
changed src/build_models/auxingrowthplugin.h
changed src/build_models/meinhardtplugin.cpp
changed src/build_models/meinhardtplugin.h
changed src/build_models/testplugin.cpp
changed src/build_models/testplugin.h
changed src/build_models/translate_plugin.pl
changed src/canvas.cpp
changed src/canvas.h
changed src/cell.cpp
changed src/cell.h
changed src/cellbase.cpp
changed src/cellbase.h
changed src/cellitem.cpp
changed src/cellitem.h
changed src/curvecolors.h
changed src/data_plot.cpp
changed src/data_plot.h
changed src/far_mem_5.h
changed src/flux_function.h
changed src/forwardeuler.cpp
changed src/forwardeuler.h
changed src/infobar.h
changed src/mainbase.cpp
changed src/mainbase.h
changed src/matrix.cpp
changed src/matrix.h
changed src/maxmin.h
changed src/mesh.cpp
changed src/mesh.h
changed src/miscq.cpp
changed src/miscq.h
changed src/modelcatalogue.cpp
changed src/modelcatalogue.h
changed src/modelelement.h
changed src/node.cpp
changed src/node.h
changed src/nodeitem.cpp
changed src/nodeitem.h
changed src/nodeset.cpp
changed src/nodeset.h
changed src/output.cpp
changed src/output.h
changed src/parameter.cpp
changed src/parameter.h
changed src/pardialog.cpp
changed src/pardialog.h
changed src/parse.cpp
changed src/parse.h
changed src/perl/deployapp.pl
changed src/perl/histogram.pl
changed src/perl/make_parameter_source.pl
changed src/perl/make_pardialog_source.pl
changed src/perl/make_xmlwritecode.pl
changed src/pi.h
changed src/qcanvasarrow.h
changed src/random.cpp
changed src/random.h
changed src/rseed.cpp
changed src/rungekutta.cpp
changed src/rungekutta.h
changed src/simitembase.cpp
changed src/simitembase.h
changed src/simplugin.cpp
changed src/simplugin.h
changed src/sqr.h
changed src/tiny.h
changed src/transporterdialog.cpp
changed src/transporterdialog.h
changed src/vector.cpp
changed src/vector.h
changed src/vleafmodel.h
changed src/wall.cpp
changed src/wall.h
changed src/wallbase.cpp
changed src/wallbase.h
changed src/wallitem.cpp
changed src/wallitem.h
changed src/warning.cpp
changed src/warning.h
changed src/xmlwrite.cpp
changed src/xmlwrite.h

Cleanup: e.g. removed commented out and otherwise disabled code.
--
user: Michael Guravage <michael.guravage@cwi.nl>
branch 'default'

changed src/OptionFileDialog.cpp
changed src/OptionFileDialog.h
changed src/UniqueMessage.cpp
changed src/VirtualLeaf.cpp
changed src/apoplastitem.cpp
changed src/apoplastitem.h
changed src/build_models/auxingrowthplugin.cpp
changed src/build_models/meinhardtplugin.cpp
changed src/build_models/testplugin.h
changed src/canvas.cpp
changed src/canvas.h
changed src/cell.cpp
changed src/cell.h
changed src/cellbase.cpp
changed src/cellbase.h
changed src/data_plot.cpp
changed src/data_plot.h
changed src/flux_function.h
changed src/forwardeuler.cpp
changed src/infobar.h
changed src/mainbase.cpp
changed src/mainbase.h
changed src/matrix.cpp
changed src/mesh.h
changed src/modelcatalogue.cpp
changed src/node.cpp
changed src/node.h
changed src/nodeitem.cpp
changed src/nodeset.h
changed src/output.cpp
changed src/output.h
changed src/parse.cpp
changed src/parse.h
changed src/random.cpp
changed src/random.h
changed src/sqr.h
changed src/vector.h
changed src/vleafmodel.h
changed src/wall.cpp
changed src/wallbase.cpp
changed src/wallbase.h
changed src/wallitem.cpp
changed src/wallitem.h
changed src/warning.cpp
changed src/warning.h
changed src/xmlwrite.cpp

Added finalized tutorial code. Added new header files that provide simplified constructs for summing up concentrations in walls. Also added a new function for resetting all walls of a cell.
New menu items in canvas for resetting chemical values only in cells or only in walls.

--
user: Roeland Merks <roeland.merks@cwi.nl>
branch 'default'
added src/TutorialCode/Tutorial1A/mymodel.cpp
added src/TutorialCode/Tutorial1A/mymodel.h
added src/TutorialCode/Tutorial1A/mymodel.pro
added src/TutorialCode/Tutorial1B/mymodel.cpp
added src/TutorialCode/Tutorial1B/mymodel.h
added src/TutorialCode/Tutorial1B/mymodel.pro
added src/TutorialCode/Tutorial1C/mymodel.cpp
added src/TutorialCode/Tutorial1C/mymodel.h
added src/TutorialCode/Tutorial1C/mymodel.pro
added src/TutorialCode/Tutorial1D/mymodel.cpp
added src/TutorialCode/Tutorial1D/mymodel.h
added src/TutorialCode/Tutorial1D/mymodel.pro
added src/TutorialCode/Tutorial3/tutorial3_init.xml
added src/TutorialCode/Tutorial4/auxin_growth_init.xml
added src/TutorialCode/Tutorial4/mymodel
added src/TutorialCode/Tutorial4/tutorial4_init.xml
added src/TutorialCode/Tutorial5/mymodel
added src/TutorialCode/Tutorial5/tutorial5_init.xml
added src/flux_function.h
added src/vleafmodel.h
changed src/Makefile
changed src/TutorialCode/Tutorial2/mymodel.cpp
changed src/TutorialCode/Tutorial3/mymodel.cpp
changed src/TutorialCode/Tutorial4/mymodel.cpp
changed src/TutorialCode/Tutorial4/mymodel.h
changed src/TutorialCode/Tutorial5/mymodel.cpp
changed src/TutorialCode/Tutorial5/mymodel.h
changed src/VirtualLeaf.pro
changed src/cellbase.cpp
changed src/cellbase.h