Added support for multiple root folders

- not yet solved: identical subfolders in more than one root directory
create duplicate tree entries
Added more descriptive window title
Label the 'ignore difficulty' flag
Fixed issues with user-specific documents folders

- Detection of the "Documents" folder name is now independent of OS
localizations
Fixed palette size to 1024.
Merge branch 'fsr_work' into devel
Merge branch 'devel' of github.com:FredrikLindgren/NearInfinity into devel
Hopefully resolve the line break issue
Fixing line break issues
Merge remote-tracking branch 'upstream/devel' into devel
Solved problem with duplicate folder names in multiple root folders
Automatic language detection support for BGEE
More file types for mass exporter

- Mass exporter supports new BGEE file types now
- Open: Optional PVRZ -> PVR decompression
Fix game-id regression in AreResource
MassExporter update and compatibility fix in ResourceStructure
Merge branch 'devel' of https://github.com/Argent77/NearInfinity into argent77-devel
Mark .classpath and .project as text (for newlines)
Bugfixes in multiple folder support

- added getter methods for language- and user-specific root folders
- fixed issues with dialogF.tlk
- changed search path order
Bugfix in GAM file support
Delete some bad comments