Adding Android project. Just Hello World for now, but it builds and references Avgangsalarm.Core.
Merge branch 'master' of https://github.com/conceptos/Avgangsalarm

Conflicts:
	Avgangsalarm.Core.Tests/Avgangsalarm.Core.Tests.csproj
	Avgangsalarm.sln
Merge branch 'master' of https://github.com/conceptos/Avgangsalarm