Added extra flag to keen_io_sqlite file
Added extra flag to keen_io_sqlite file

Added flag `-Xanalyzer deadcode` to file keen_io_sqlite3.c so project could be analyzed. Otherwise a `bin/clang` error is thrown. Also enabled ARC for target KeenClientTests

heitortsergent/KeenClient-iOS,keenlabs/KeenClient-iOS,Acidburn0zzz/KeenClient-iOS,getdrop/KeenClient-iOS,keenlabs/KeenClient-iOS,getdrop/KeenClient-iOS,heitortsergent/KeenClient-iOS,keenlabs/KeenClient-iOS,getdrop/KeenClient-iOS,getdrop/KeenClient-iOS,Acidburn0zzz/KeenClient-iOS,getdrop/KeenClient-iOS,Acidburn0zzz/KeenClient-iOS,Acidburn0zzz/KeenClient-iOS,heitortsergent/KeenClient-iOS,heitortsergent/KeenClient-iOS,heitortsergent/KeenClient-iOS,Acidburn0zzz/KeenClient-iOS