Updates .gitignore file.
Fixes build breaks in Xamarin projects.
Removes the xamarin projects from the NuGet package.
Adds support for iconic tile updates for WP8 clients.
Increments to v0.3.2.
Revert "Fixes build breaks in Xamarin projects."

This reverts commit 735313eaeec6805e193976c5b921000bed9ecc2d.