Update network interface model for static ip support.
Add low level static ip config support.
pep8 cleanup of osi.
Fixes #447

Update network api to support static ip configuration.
update network cli for static ip.
auto start service manager in prod or else it's a catch 22.
Add static ip config parameters
Merge pull request #448 from schakrava/issue#447_static_ip

Issue#447 static ip
updated md5sum
Data collector should be on by default in production.
Improve option parsing such that empty values(admin_host for example) are properly ignored.
Refresh advanced nfs exports also during snapshot visibility toggling.
Refresh advanced nfs exports after a export delete.
Explicitly start rockstor service after a rpm update.
Set admin_host to None explicity when not given.
Merge branch 'issue#435_shareui_enhancements' of https://github.com/Mchakravartula/rockstor-core into Mchakravartula-issue#435_shareui_enhancements
Added slider css