Added code to handle case where alias does not exist for kvm alias get
Added latest argument to kvm install, which will install the latest kvm version (but not set the default)
Added -p (persitant) switch to kvm install, and implemented kvm upgrade as kvm install latest -p
Fixed some small issues when missing alias folder
Fixed install to exit when package is not found in feed
Added latest argument to kvm install for kvm.ps1, which will install the latest kvm version (but not set the default)
Bump version to 1.0.0-*
Temporarily use Xunit.KRunner 0.1-*
Revert "Temporarily use Xunit.KRunner 0.1-*"

This reverts commit e1d36ed8094f01cdd990ce6ca38f2e701bafc02c.
Allow overriding the feed url
Rename K.cmd to k.cmd for consistency
Updating release Nuget.config
Updating dev Nuget.config
Added help text for install -p
Implemented -a/-alias switch to set alias on install for kvm.ps1
Updated help for kvm.ps1 with text for new -alias switch
implemeted -alias switch for kvm install command in kvm.sh
Use K_BUILD_VERSION instead of alpha
Modified kvm.sh list command to output tabular output identical to the output from the window kvm.ps1 script
 Modified kvm.sh alias command to output tabular output identical to  the output from the window kvm.ps1 script
Fixed issue where packge directory woudl be created whenuser tries to install non-existant package
Fixed bug where alias of '' was being created on all install commands without alias set
Merge branch 'release' into dev
Merge pull request #334 from graemechristie/implement-kvm-install-latest

Implement kvm install latest
Merge pull request #363 from graemechristie/implement-kvm-alias-switch

Implement kvm alias switch