New Roles framework

The infrastructure behind the roles has completely rewritten.
The roles: admin,registereduser,anonymoususer,backenduser no longer exist.
Use administrator,register,backend instead

New management of database evolutions between BaasBox versions
Evolutions are automatically performed when an import has done.
changed file separator variable name
Added endpoint for Roles Management

Added new API endpoints:
GET	/admin/role
POST	/admin/role/:name
PUT	/admin/role/:name
DELETE  /admin/role/:name

The following end point is now deprecated
GET	/admin/roles
Added new API GET /admin/role/:name

Added new api to retrieve data for a specific role
Added new API GET /admin/user/:username

Added API to retrieve info about a specific user
UPGRADE to ORIENTDB 1.6.0

Upgrade to OrientDB 1.6.0-snapshot (downloaded on October 23th 2013)
Performed the required variation to the code
Fixed #7

Fixed issue #7

Complete Role tests
Update the embedded console to role management

Added new menu voice "Roles"
Added list of Roles
Added Add/Edit/Delete Roles
Changed version to 0.7.0-snapshot

This is still not a stable version