BookTextParser: fixed infinitive loop
BookTextParser: moved to Ogre::UTFString

Font height and unicode characters glyph width now accounted correctly.
Fixed book text misalignment, at least in some cases

https://bugs.openmw.org/issues/284
Fix a small issue in the windows installer, also added the OpenMW version to the installed package name
Fixed build errors in OpenCS
Added typedef for ssize_t in windows and fixed a use of __PRETTY_FUNCTION__
Merge remote-tracking branch 'ace/win-fixes' into next