Your ROOT_URL in app.ini is http://git.osmesh.ru/ but you are visiting https://git.osmesh.ru/MOS/OpenBoard/src/commit/071588e28827958985175083bc5c9dead87aebc6/release_scripts
You should set ROOT_URL correctly, otherwise the web may not work correctly.
On several Linux version (Mint 18 for example) the package libavcodec-ffmpeg56 is replaced by libavcodec-ffmpeg-extra56.
To increase the compatibility I added an exception which define a conditional dependency between these two packages.
G3rb
06bea241f1