[OLINGO-286] fixed: provided intengration test for '13.2 Interoperable OData Clients'
Merge branch 'master' of https://git-wip-us.apache.org/repos/asf/olingo-odata4
[OLINGO-267] JSON conformance test added
Merge branch 'master' of https://git-wip-us.apache.org/repos/asf/olingo-odata4
Fix for build #311