Minor fixes in user authentication.
commented all the service functions except the ones that will be used by
the Cytoscape-ndex app.
commented out Unit test for now.
merge
Merge remote-tracking branch 'origin/1.0-snapshot' into 1.0-snapshot
transition
added network search function.
more implementation
added server function
.
Added standalone server for debugging and one more API function.
code cleanup. 

Add one more function.
.
.
Added Ricardo's User service module.
try/catch/finally added
moved one static function from commons to this package.
Merge branch '1.0-snapshot' of https://github.com/cytoscape/ndex-rest.git into 1.0-snapshot
undo changes from core debugging
Updated UserService to use simpleUserQuery