Port CERN Collection and 

1) Porting the CERN Colelction from temporary authoring tool to http://test.chornozoomproject.org/cern/cern/
2) Changing client to not specify span on first load, the problem is that some timelines are smaller than the current span (5012 years)
3) Fixing again all Code Analysis FxCop warnings.
4) Introducing a maxElements parameter to limit the amount of thata retrieved by the GetTimelines API. Default value is 500 timelines.