fixed #29 #30 #31 #34

**Breaking change** [Both] rename startCompress to compressVideo, stopCompress to cancelCompression
feat [Both] compressVideo api add params { int startTime, int duration, bool includeAudio, int frameRate }
feat [Both] getMediaInfo returns add orientation
fix [android] getMediaInfo returns height and width flipped
fix [android] different quality compression size
style [example] fixed some problems with example