spelling errors
Some clarifications
Code de-duplication in the validateMathInLine stuff
trivial changes
Changes Graphviz dependency from gvc/graph to cgraph, although now realised that graphviz is not actually _used_ anywhere.
Correct use of node/edge/graph macros from graphviz/types.h
At least it doesn't crash now...
Random position setting on nodes
Mostly more debugging.
A successful attempt to get the nodes located based on their id, but still not based on the right algorithm
So we DO need libgvc for the layout, but we ALSO need graphviz >2.26 for this to work.
Adds optional libgraph compilation, with default libcgraph compilation.
nodesep 2.0 ok in both graph/cgraph cases
Fix remaining compiler warnings in master
Modifies the project file with the locations of Graphviz, as installed with Macports
Merge branch 'graphviz_update'
Merge branch 'graphviz_update' with a final update over there.
Merge branch 'mathvalidation'
Fix for issue#36 in which transition boxes were mis-placed.
Debugging reductions