Add Internet permission to HttpClient sample too.

This will make it work under Release profile, avoiding an exception
when sending a request with okhttp.
Merge branch 'add-internet-to-sample'
Merge pull request #16 from pupitetris/add-internet-to-sample

Add Internet permission to HttpClient sample too.
Version Bump to 1.0.1
Merge remote-tracking branch 'upstream/master'
Update README.md
add mvvmcross doco
Merge pull request #17 from rid00z/master

add mvvmcross doco
Update README.md
Merge remote-tracking branch 'upstream/master'