Merge pull request #4 from vzsg/master

Android: crash on startup with 1.0.6.1 (and earlier)
NuGet packages updated to MvvmCross 3.2.1
All namespaces removed from 'MvvmCross.HotTuna.Plugins' to 'MvxPlugins'
Version increased to 1.0.7
nuspec corrected according to namespace changes
Merge pull request #1 from SeeD-Seifer/master

Merging upstream changes.