Updated version number
Updated version in msi
Updated changelog
Updated readme

Removed "how to run" test section and replaced it with pointer to
wiki page.
Bumped engine - no more node 0.6
Merge pull request #1218 from christav/release-0.8.4

Version number updates for release 0.8.4
Updating Tests to unblock CLI team
Fixing version of should
Merge pull request #1221 from christav/release-0.8.4

Fixing version of should
Merge pull request #1220 from pvbchak/dev

   Incorporating server side changes in mobile CLI tests
Merge pull request #1225 from Azure/release-0.8.4

Pull release 0.8.4 into Master
Merge pull request #1226 from Azure/master

Merging release 0.8.4 from master to dev