initial release of time-lapse tools for Sailfish OS
basic features:
-- capture photos by phone camera (Qt camera api) or external camera (Gphoto2 library)
--- external camera needs to support PTP over USB and connected via USB OTG adapter
--- list of supported cameras: http://www.gphoto.org/proj/libgphoto2/support.php
--- automatic and continuous shutter-speed tuning to avoid under/over exposure
-- preprocess captured series (with ImageMagick library)
--- "deflickering" by luminance average of all images or moving average
--- blend frames (when video frame count is bigger than picture count)
-- assembly video from captured series (using ffmpeg)
--- support x264 or x265 video encoders