[DF-538] DLC support added to iOS and MacOS frameworks, DLC unit tests added to UnitTests project, tested under iOS, iOS simulator, MacOS x86_64, MacOS x32. Changed libcurl build scripts - separate build for macos and ios. Added newest version of libcurl.
Added libdxt for ios simulator.
Merge branch 'DLC' of https://github.com/adebt/dava.framework into dlc-merge
[DF-538] Fixed project for iphone