On branch master:
Fixed some bugs
	modified:   src/editor.cpp
	modified:   src/editor.h
	modified:   src/editortabbar.cpp
	modified:   src/editortabbar.h
	modified:   src/mainwindow.cpp
	modified:   src/mainwindow.h
	modified:   src/syntaxhighlighter.cpp
On branch master:
Add and modifie language and highlighting files.
	modified:   languages/c.xml
	modified:   languages/cplusplus.xml
	new file:   languages/python.xml
	modified:   styles/default.xml
On branch master:
Add support for user defined block expressions.
	modified:   languages/c.xml
	modified:   languages/python.xml
	modified:   src/syntaxhighlighter.cpp
	modified:   src/syntaxhighlighter.h
	modified:   styles/default.xml
On branch master:
Fix bug where opening a new tab does not update language selector.
	modified:   src/editortabbar.cpp
	modified:   src/editortabbar.h
	modified:   src/mainwindow.cpp
	modified:   src/mainwindow.h