fix for g++:
	fix plVault LogMsg calls + remove useless wide char usage
	fix usage of plAvatarMgr::FindAvatar() and plLinkEffectsTriggerMsg::SetLinkKey() with temporary variables
	plNetServerSessionInfo.h need std::string
	fix plProgressMgr.h: NumLoadingFrames() have an useless class context information
	fix plSocket usage of non-standard NULL
Merge commit 'a1edba6'
Fix const-ness of some pfPython GUI stuff.
Apparently these need to be at the top to work in a purely
command-line (msbuild) environment
Can you say KABOOM?

The data is interleaved. If you randomly change it up, OpenAL *will* crash
on you...
Catch moar crashes...

... Instead of throwing up a useless VC++ dialog box, actually do our
error handling.
Fix some message leaks in cyCamera
Fix another book-sharing message leak...
Implement chat history browsing (Client and Python)
Merge pull request #416 from Filtik/chathistory

Implement chat history browsing (Client and Python)
Fix some coverity and style issues in pnEncryption.
Merge pull request #417 from dpogue/coverity

Coverity Fixes
Merge pull request #415 from Hoikas/coverity

Fix moar leeks
Merge pull request #414 from Hoikas/moar-crashes

Catch moar crashes...
Use std::atomic_int for hsSafeRefCnt, and move it to hsRefCnt.h/cpp
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