- pack_in_onefile.sh: use epm_main/serv_main functions for the main code
- use return instead of exit in functions
- epm play: add snap4arduino support
- epm play: add draw.io support
- epm play: fix sublime download link
- repack.d/draw.io: add drawio and draw.io commands to /usr/bin
- distr_info: fix ROSA support