Merge pull request #130 from DanielFabian/master

Add FXCop custom rule set to master.
This fixes a bug, where the FxCop task fails without analysis errors when requiring the build to fail upon analysis error.
Allow forcing an xml output, even if no errors occurred.
Merge pull request #135 from DanielFabian/master

Extend FXCop and fix a bug in xml_int (for empty sequence) - master branch
Add "// <auto-generated/>" header to the c# assembly info file, so that stylecop is happy.
Merge pull request #137 from DanielFabian/master

Add "// <auto-generated/>" header to the c# assembly info file, so that…
Added test for replacing XML value specified by a namespace'd node. Added null comparison in XmlPokeNS
Added a test for XmlPokeNS. Both tests are green, so we have a valid example how to patch the app.manifest when running FAKE.
Merge branch 'master' into develop