Added upgrade guide to 2.0
Minor fixes to the upgrade guide.
GetAvailableWithoutFetching as public RowSet method
Tests: ADO.NET use shorter keyspace and table name.
Tests: shorter keyspace names  (for C 1.2)
Improved xml doc on Statements, Session and Cluster classes
Doc comments: all summary code inline
Doc comments: improved ConsistencyLevel, Cluster, Session and others
Doc comments: improved ADO.NET doc comments
Doc comments: improved Linq
Updated doc and build projects
Secondary indexes can be created on PartitionKey or ClusteringKey fields
Link to v2 api docs
Ignore packages on other solutions
Moved Entities Context to separate project
Sample project with time series
Samples: Added async timeseries sample
BatchStatement: Changed AddQuery method to Add.

- Improved doc
- Adapted tests
fix bug of default type of timestamp to make timestamp work with CqlDataAdapter.Fill()
Merge remote-tracking branch 'upstream/2.0' into feature/timestamp_default_type_bug