Merge pull request #16 from sameerak/master

fixing meta data tests
Merge pull request #17 from sameerak/master

meta data test fixing
changing addService method to pass default version value when adding a service.
changing service addision code to have default version, in SaveSearchTestCase
changing service addision code to have default version, in Carbon8636TestCase
changing service addision code to have default version, in Carbon10714TestCase
Merge branch 'master' of https://github.com/wso2-dev/product-greg into merginMaster