1.6.0

Paket init - init dependencies file with default NuGet source
Allow to init paket in given directory
Automatically query all package feeds in "Find packages"
Allow to override install settings in 'paket.dependencies' with values from 'paket.references' - #836
BUGFIX: paket install fails if package version doesn't match .nupkg file - #834
BUGFIX: Try to work around issue with mono zip functions - fsprojects/FAKE#810