Merge pull request #13 from Cyan4973/dev

Dev
Merge pull request #17 from Cyan4973/dev

Dev
Added : lz4Framing.h, first example of Framing compression API
updated lz4frame API, following suggestions from Takayuki Matsuoka
Added : lz4frame comments (doc)
minor lz4frame API update
Updated LZ4F API : differentiate resource/compression functions
LZ4F API update. Creating "simple function" (compression only)
early LZ4F decompression API
clarified comments within lz4frame API
lz4frame API update : introducing LZ4F_getHeaderInfo()
Merge pull request #22 from Cyan4973/dev

Dev
Merge pull request #23 from Cyan4973/dev

Dev
Merge pull request #24 from Cyan4973/dev

Catch up r122
Merge branch 'frame' of https://github.com/Cyan4973/lz4 into frame
minor lz4frame API update : errorCodes & frameInfo
lz4frame minor API fixes (pointers)
lz4frame.c first example code (incomplete)
fix : lz4frame : added default blockSizeID
lz4frame compression API v1 completed
Added : test program frametest
upgraded lz4frame compression tests