Update 2Geom to r2347
2Geom sync - initial commit
Update to experimental r13565
Warnings cleanup; formatting
Small cleanup
Properly allow effect stacking with knotholders (and add extra LPE functionality)
Remove all trace of the Tags dialog Fixed Attach Path and Fill Between Many LPEs Enabled Gradient Meshes
Experimental merge of Ponyscape features into trunk (will not compile)