nuspec updates
Merge branch 'v3.1' of github.com:slodge/MvvmCross into v3.1
Fix lock that should be on the lock object rather than on 'this'.
Merge pull request #653 from Blewzman/FixLockInMvxSimpleIoCContainer

Fix lock that should be on the lock object rather than on 'this'.
Added support for variables in indexing operators
Added tests for variable index binding
Merge pull request #659 from Bognar/variable-index

Added support for variables in indexing operators
fix for timezoes on uidatepicker
Merge pull request #662 from benhysell/v3.1

fixes 661 iOS UIDatePicker Date Off By One Day - Timezone Issue
Merge pull request #11 from MvvmCross/v3.1

track update