3d viewer given a more sensible default size.
added a new flow const, math expression. wrote parser etc.
added re-evaluate option to platew. added filter particles, based on math exp
added count aggregation type.
added color to scene graph 2d text.
the console is now automatically openeded if an exception occurs
add: show error when trying to save to unsupported file format
changed some catches to also capture outofmemoryerrors. all places are probably not covered yet.
added a reference to the website
added right-click help to flow units. however, links probably need to be updated later
for most units as articles must be written
Merge branch 'master' of git+ssh://github.com/mahogny/Endrov