removed unity project files
Minor changes
Added SLTBasicProperties
Implemented changes from AS sdka
improvements and changed,
on side scrolling level boards parsing logic,
on Asset loading mechanisms,
on saltr SDK side-scroller integration,
etc.

Conflicts:
	SLTUnity.cs
ticket url "escaped"
implemented new assets json parsing

Conflicts:
	Parser/game/SLTLevelBoardParser.cs
	Platformer/2dDeserializer.cs
local saltr jsons now loaded from Resources,
some fixes on saltr_sdk error handling
changes in saltr asset loading,
fixed some parsing errors
implemented changes

Conflicts:
	Parser/SLTDeserializer.cs
	SLTUnity.cs
updating level parsers
updated sdk
updated matching classes
minor changes
updating Sdk
updating SDK
update resource loading
updating SDK
more updates on SLTUnity and resource ticket,
some restructuring
fixed request url "escaping"