Merge pull request #320 from severin-lemaignan/master

A few python-dbus fixes
Cleaned-up CMakeLists.txt to use Dashel configuration file dashelConfig.cmake
Fixed issue #309
Fixed issue #321.
Make build require at least 1.0.8 of dashel-devel to get required dashelConfig.cmake file.
Sync with latest upstream master.
Merge pull request #325 from brettle/master

RPM spec patch for master
Updated minimum Dashel version for deb packages.
Changed version number for master to make clear we now are in 1.4.0 alpha.
Updated documentation to reflect changes in Dashel.
Fixed generation of CompilerTranslator.cpp
Added _emit keyword.
ThymioVPL standalone can now generate debug log events for sets when called with the -debuglog command argument.
Updated Italian translations, thanks Ezio!
Color code for horizontal proximity sensors match ground sensors + added an indication of the robot's LED.
Fixed naming in defines.
Tried new colors and disabled color scheme selection.
Experimental new color scheme and updated graphics based on Maria's concept.
Added option to export VPL scene as SVG.
Changed color scheme of timers to white.