Command to clean logs directory

[OndraM]

See #63 and #67. Should be merged after #65.

The clean command is automatically invoked on run command startup, unless option --no-clean is given.

[coveralls]

Coverage increased (+3.9%) to 71.931% when pulling eb7e66e on OndraM:feature/clean-logs into 19e1189 on lmc-eu:2.0.

[coveralls]

Coverage increased (+3.9%) to 71.931% when pulling eb7e66e on OndraM:feature/clean-logs into 19e1189 on lmc-eu:2.0.

[coveralls]

Coverage increased (+4.1%) to 72.108% when pulling c36d8f2 on OndraM:feature/clean-logs into 19e1189 on lmc-eu:2.0.

[coveralls]

Coverage increased (+4.4%) to 72.392% when pulling 0202794 on OndraM:feature/clean-logs into 19e1189 on lmc-eu:2.0.

[coveralls]

Coverage increased (+4.4%) to 72.392% when pulling 375484e on OndraM:feature/clean-logs into 19e1189 on lmc-eu:2.0.

[kubasimon]

Omezit to jen na aktualni adresar?
$finder->depth('== 0');

http://symfony.com/doc/current/components/finder.html#directory-depth

[OndraM]

Ok, why not (steward itself won't create any subdirs). But what is the usecase? Avoid deleting some custom xml files in subdirectory?

[coveralls]

Coverage increased (+4.4%) to 72.392% when pulling 7dcfe48 on OndraM:feature/clean-logs into 19e1189 on lmc-eu:2.0.

[coveralls]

Coverage increased (+1.0%) to 72.349% when pulling 93b3e3f on OndraM:feature/clean-logs into 0d1e1ba on lmc-eu:2.0.

[coveralls]

Coverage increased (+1.0%) to 72.349% when pulling 9ae5895 on OndraM:feature/clean-logs into 0d1e1ba on lmc-eu:2.0.