Merge pull request #129 from 7sharp9/master

Added a new 'monotouch' target to the build process
Merge pull request #132 from 7sharp9/master

Fix for #131 - SimpleSourceCodeServices.fs will not generate dynamic assemblies for non silverlight builds
Added quotation to --keyfile value

based on
https://groups.google.com/forum/#!topic/fsharp-opensource/9hcsDeiFo58
fixed "" to -- keyfile:""

fix based on suggestion by Don syme. This issues was preventing a
successful build.

https://groups.google.com/forum/#!topic/fsharp-opensource/9hcsDeiFo58
Merge pull request #134 from bikal/master

Fixed issue #133
Integrate updates from Visual F# team for Visual Studio 2012 Update 2
Integrate changes from Microsoft Visual F# source code drop http://fsharppowerpack.codeplex.com up to change 71609, including changes for VS2012 Update 2 - Portable Async and Query fixes
Minor textual changes to align fsharp/fsharp with fsharppowerpack.codeplex.com