All the plug-ins were updated to support the new vision on plugings in Qt5
QApplication::argc() is deprecated
Use begin/endResetModel() to do the reset
Proper conditions in project file to accept Qt5
Fixed bug regarding the versions previous to 5
Merge pull request #380 from TNick/Qt5_QApplication

QApplication::argc() is deprecated
Merge pull request #382 from TNick/qt5_sc_pro

Proper conditions in project file to accept Qt5
Merge pull request #378 from TNick/Qt5_plugins

All the plug-ins were updated to support the new vision on plugings in Qt5
Removed warnings in MinGW about pragmas and strcasecmp
Fixing previous commit on Qt5 side for QStandardPaths
Merge pull request #381 from TNick/Qt5_beginResetModel

Use begin/endResetModel() to do the reset
Merge pull request #385 from TNick/Qt5_QStandardPaths_2

Fixing previous commit on Qt5 side for QStandardPaths
Merge pull request #384 from TNick/MinGw_Warnings

Removed warnings in MinGW about pragmas and strcasecmp
change setFilters by setNameFilters
Removed some harmless warnings
Added custom.pro to all project files via common.pro
change selectedFilter by selectedNameFilter
Merge pull request #386 from TNick/Qt5_Remove_Warnings

Removed some harmless warnings
Removing warning about missing destructor in RS_Locale
Last (hopefully) left-over for QFileDialog in Qt5 - Issue #379