Adding Skype group to readme.md
correcting search url
bug fixes and unit test
removing unused file
adding assert statements
changing assert statements to MS Assert
merging upstream changes
moving RI tree test to Chronozoom.Entities.Test
Merge remote-tracking branch 'upstream/master'
Implemeneted 'Attribution' & 'Media Source' fields for content item
Facilitate API/UI integration by providing API stub
removing redundant files
Fixed bug when content item's attribution was not displayed.
Made attribution and mediaSource fields lowercase on client
Merge pull request #197 from yl790/master

bug fixes + unit test
Merge pull request #200 from javierluraschi/ReadmeSkype

Added link to Skype group in readme.md