fixes #1980: permissions follow role's inheritance
TESTS FOR #1980
Deleted some unuseful declarations
Fixed bug in get global configuration from server
Merge remote-tracking branch 'nuvolabase/rid-set-sbtree' into rid-set-sbtree
Merge branch 'rid-set-sbtree' into develop
Minor: fixed warnings
Fixed breadth first traversing strategy
Distributed: fixed problem on overwriting a old configuration
Merge remote-tracking branch 'nuvolabase/develop' into develop
Distributed: moved update of node list after the db install
Minor: fixed warnings
Fixed breadth first traversing strategy
Distributed: fixed problem on overwriting a old configuration
Releasing OrientDB v1.7-rc1: updated history
Updated Studio
Merge branch '1.7-RC1' into develop
Merge branch '1.7-RC1'

Conflicts:

server/src/main/java/com/orientechnologies/orient/server/schedule/OSched
uleHandler.java
Update to 1.7-rc2-SNAPSHOT
Minor: improved msg