Implement interface: Sync with fixes in VFPT

Notably, allow implementation of IBindingList: https://github.com/fsprojects/VisualFSharpPowerTools/issues/396
Merge pull request #544 from rojepp/master

Implement interface: Sync with fixes in VFPT
Modify Android projects so that a unversioned reference of FSharp.Core and mscorlib is used via <TargetFrameworkIdentifier>MonoAndroid</TargetFrameworkIdentifier>
Modify iOS project templates so that an mscorlib reference is included.
bump version number
Merge pull request #549 from 7sharp9/master

This addresses multiple problems with Android and iOS project templates with inconsistent mscorlib/FSharp.Core references
Added better handling of mscorlib and FSharp.Core with included tests

Also removed the test fsproj as its now generated by the config script
Added missing file
Run tests on Windows (with failures)
Merge pull request #2 from rojepp/checkerfixes

Run tests on Windows (with failures)
Merge pull request #552 from 7sharp9/checkerfixes

Added better handling of mscorlib and FSharp.Core with included tests
Make TestBase virtual
Defer Configuration to CompilerArguments, this saves the proliferation of ActiveConfiguration requests and allows to to gracefully fallback to ConfigurationSelector.Default
Use the doc filename rather than using editor property, occasionally the editor can be null
Remove the unnecessary parsed document check and rely on GetLanguageItem which doesn't use the parsed document either
Added initial debug resolver provider tests and TestViewContent and TestWorkbenchWindow
Clean open namespaces
Removed unnecessary function call
Ensure composition errors are shown in parameter tips rather than hiding them
bumped version