Merge pull request #2 from fyler/dev_ilia

fixed:
- index page;
- error on bad task;

improved:
- video conversion commands;
Merge branch 'master' of https://github.com/fyler/fyler
Merge remote-tracking branch 'origin/dev_ilia'
Merge remote-tracking branch 'origin/dev_ilia'
addd more log
some fixes
Merge remote-tracking branch 'remotes/origin/master' into dev_ilia