Fixes for Max plugin compilation when not using PCH
Merge pull request #410 from zrax/pch_max_fixes

Fixes for Max plugin compilation when not using PCH
Port plLocalizationEditor to Qt5
Fix pfLocalizationDataMgr's SetElementPlainTextData to work properly
without a database re-load.
Make it compile and work in GCC / Linux
Port plFontConverter to Qt5
Fixes for Linux compilation of plFontConverter