Added initial support for EPiServer 7.5
Added new file to solution
Refactored widget to support 7.5 and UX guidelines.
Corrected namespace in AssemblyResourceProvider
Nuget changes and ContentSliceBase DisplayName defaults to Name property
Added UI support for hideSortOptions property. Removed committed nupkg.
Bumped version to 2.0.0, redefined dependency range.
Merge pull request #2 from episerver/v75_support

Updated PowerSlice to support 7.5