bumped numversion to 0.4.7; fixed some glitches wit cpplint; updated dipylonreader.project
Merge branch 'release-0.4.7' into dev
0.4.7 (2014_10_22)
o feature89 : splitters' sizes are now stored in settings' file.
o feature85 : added style sheets to SourceZoneToolBar and CommentaryToolBar
+ feature91, feature90, feature88, feature87, feature86
code quality : 2 errors, according to cpplint.py