Update QScintilla to upstream 2.7
Add support for the resource.dat package file.
Merge pull request #24 from Deledrius/resource_fixes

Resource Package Fixes
Support Qt5
Attempt to support both Qt4 and Qt5 in the same branch
Fix crash when creating a new file
Fix linker error on Win/Mac systems

Q_WS_WIN and Q_WS_MAC are not defined anymore in Qt5