v0.4.9

0.4.9 (2014_11_12)

Fixed a critical bug preventing to use DipylonReader with arrows in analysis mode,
added interlinear spaces in the source editor.

o fixed a critical bug relating to arrows' thickness.
(feature137)
o added a space between lines in the source editor.
(feature136, feature134)
o improved build scripts : shorter names, quicker compilation, better information
messages.
(feature138, feature135, feature132, feature130)

• feature139, feature133, feature131

code quality : 3 errors, according to cpplint.py