3.5.0

Support for .NET 4.6.3 and .NET Standard 1.6
Using Argu 3
Support groups in paket.local - #1788
Paket config can be run from everywhere - #1781
BUGFIX: Install older frameworks if things don't work out - #1779
BUGFIX: Fixed detection of framework version with spaces - #1791
BUGFIX: Fixed error with local sources and run convert-from-nuget - #1795