fails building with mono 2.8

[Travis Glenn Hansen]

: error CS0011: Could not load type 'System.Collections.Concurrent.BlockingCollection`1[T]' from assembly 'System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089'.
: error CS0011: Could not load type 'System.Runtime.CompilerServices.CallSite`1[T]' from assembly 'System.Core, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089'.

And then later after fixing some of the above...

Datamodel/DataSource.cs(231,17): error CS0171: Field `Zeitgeist.Datamodel.RawDataSource._uniqueId' must be fully assigned before control leaves the constructor
Datamodel/DataSource.cs(231,17): error CS0171: Field `Zeitgeist.Datamodel.RawDataSource._name' must be fully assigned before control leaves the constructor
Datamodel/DataSource.cs(231,17): error CS0171: Field `Zeitgeist.Datamodel.RawDataSource._description' must be fully assigned before control leaves the constructor
Datamodel/DataSource.cs(231,17): error CS0171: Field `Zeitgeist.Datamodel.RawDataSource._rawEvents' must be fully assigned before control leaves the constructor
Datamodel/DataSource.cs(231,17): error CS0171: Field `Zeitgeist.Datamodel.RawDataSource._running' must be fully assigned before control leaves the constructor
Datamodel/DataSource.cs(231,17): error CS0171: Field `Zeitgeist.Datamodel.RawDataSource._lastSeen' must be fully assigned before control leaves the constructor
Datamodel/DataSource.cs(231,17): error CS0171: Field `Zeitgeist.Datamodel.RawDataSource._enabled' must be fully assigned before control leaves the constructor

[Manish Sinha (मनीष सिन्हा) (manishsinha)]

I have applied this patch. Can you try it out and see if it works
https://code.launchpad.net/~manishsinha/zeitgeist-sharp/fix-690112