General imprvements
Intorduced resources for API entities; adjusted bin;
Add cache; Add client as singelton; updated resources;
resource: static() for list load; cache optimization
Adjustment to cluster resource
Add snapshot resource to cluster resource
Moved client setting from agent to client; merged helper with client
Extended snapshots overwiew: added cluster name and group name
Updated names to ruby style
Adjusted agent, resource: job, snapshot;
Fail if resource ID not exist on API
POST method for client
REmoved snapshot_id from restorejob params
Added agent job: create restore jbo from snapsjot
Added restorejob-create logic
Extended binary with restorejobs-create
Added begin-rescue for mms-api client
Added bug info
Added paging for lists
Paging for groups and clusters