URBNG-35 Initial version of WebAPI implementation - tests

This commit includes some tests:
+ get root resource
+ get list of games
+ login user - needs authorization
+ get game details - needs authorization
where 'needs authorization' means request must have 'Authentication'
header for HTTP basic access authentication.

But still responces are not in Hal+Json format.
Merge pull request #37 from mkaim/web

URBNG-35 Initial version of WebAPI implementation - tests