- Changed PS prefix with SLT prefix.
- Refactored the classes, properties
- Applied new interface changes on SLTLevel class and changed the logic of parsing accordingly.
- Added doxygen comments to all interfaces and methods.
Merge branch 'master' of github.com:plexonic/saltr-ios-sdk

Conflicts:
	Saltr.xcodeproj/project.pbxproj
	Saltr/SLTDeserializer.m
	Saltr/SLTSaltr.h
	Saltr/SLTSaltr.m
	SaltrTests/LevelBoardTests.m
	SaltrTests/LevelParserTests.m
	SaltrTests/SLTLevelSettingsTests.m
- Corrected tests.