Merge branch 'release-0.4.3'
0.4.3 :
o feature54 : DownloadDemoDipydocs class : download and remove demonstration
              DipyDocs.
o feature53 : Splashscreen is now centered with the main window.
o feature52 : Fixed a bug in the way the UI updated the commentary zone : this
              zone can now be updated only if a specific flag (bool
              UI::selected_text_and_blocked_commentaries) is set to false. This
              flag is set to true if, in RMODE, a portion of text has been
              selected.
o feature51 : The PosInTextRanges class doesn't use an unordered_map anymore but
              a map, allowing to store sorted keys.
o feature50 : (MainWindow::add_open_menu) added a special display to
              "File>Open>" if no Dipydoc could be found.
Merge branch 'release-0.4.4'
0.4.4 (2014_10_03)
o feature56, feature65 : added toolbars' buttons +/- : the zoom value is stored
             in the qsettings file; TextEditor is now the mother class of
             CommentaryEditor and of SourceEditor.
o feature60, feature61 : added a popup menu to the UI.
o feature62, feature67 : cpplint.py version 3
o +feature66, feature64, feature63, feature58, feature59, feature57, feature55
code quality : 175 errors according to cpplint.py
Merge branch 'release-0.4.5'
0.4.5 (2014_10_08)
o feature79 : Dipydocs format #33 (RECORD_EXT, summary files)
o feature74 : added the TextEditor::wheelEvent() method so that zoom value is
  now stored even if it's modified with the mouse.
o +feature83, feature82, feature81, feature80, feature78, feature77, feature76,
  feature75, feature72, feature71, feature70, feature69, feature68
code quality : 9 errors, according to cpplint.py
Merge branch 'release-0.4.6'
0.4.6 (2014_10_22)
o feature84 : added tabs to the UI
Merge branch 'release-0.4.7'
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
dipydoc.* : 'read_mainfile__text' > 'read_mainfile__doctype_text'
Dipydoc's version -> 34
all signals and connections have been marked
DipyDoc::read_mainfile__doctype_text__syntagma() now reads DipyDoc's notes
improved memory management
DipyDoc::read_mainfile__doctype_text__syntagma() now reads notes in syntagmas
added DipyDoc::arrows_repr() method
added the icons needed by the A-mode
Merge branch 'feature92' into dev
first draft for the a-mode : icons and DipyDocs'version=34
(feature93) fixed DownloadDemoDipydocs constructor so that the DipyDocs stored on disk are not deleted if the network is not reachable.
Merge branch 'feature93' into dev
(feature93) fixed DownloadDemoDipydocs constructor so that the DipyDocs stored on disk are not deleted if the network is not reachable.