Fix minor pep8 violations
Increases max-module-lines
Fixes pep8 errors in the sphinx config
Merge pull request #303 from sudorandom/master

Fix minor pep8 violations
Iscsi Manager and CLI iSCCI Module

New iSCSI manager has been introduced to conveniently work with iSCSI
service provided by SofyLayer. Respective CLI module has also been
introduced for CLI interaction.