Corrected types.
- Made cosmetic changes.
- Added unit tests for SLTLevelPack class
- Added unit tests for SLTChunkAssetInfo class
- Added unit tests for SLTCompositeAsset class.
- Added unit tests of SLTCompositeInfo class.
- Added unit tests for SLTCompositeInstance class.
- Added unit tests for SLTChunk class.
- Added unit tests for SLTDevice class
- Made cosmetic changes
- Added assertions on objects types for SLTChunk class
- Added unit tests for SLTPartner class.
- Added unit tests for SLTFeature class.
- Added  unit tests for SLTExperiments class.
-  Implemented isEqual function for SLTAsset and SLTAssetInstance classes.
- Added unit tests for SLTLevel class.
- Added cell matrix validation for board with “board1” id
- Moved tests of level settings parsing into class SLTLevelBoardParsingTests from SLTLevelSettings class
- Added unit tests for SLTLevelSettings class
- Added isEqual function implementation for SLTCompositeAsset class
- Renaming of test files.
Merge branch 'master' of github.com:plexonic/saltr-ios-sdk

Conflicts:
	SaltrTests/LevelParserTests.m
	SaltrTests/SLTLevelSettingsTests.m