Merge pull request #5 from ClogenyTechnologies/pd/azure-chef-extn-status

Azure Chef extension enable should not depend on communication with Chef server
changed travis
replaced 'nested' format by 'documentation' as 'nested' is not supported in Rspec2
Merge pull request #6 from ClogenyTechnologies/nim/travis_rake_test

Fixed travis failure issue on calling 'rake rspec'
Add chef as a dev dependency
Removed ruby 1.9.2 from travis
Merge pull request #7 from ClogenyTechnologies/sid-update-chef-dependency

Fix chef dependency for azure chef extension
Released azure chef extension v11.16.4.2 

for windows and ubuntu
Read handler settings before auto update (windows)
Read handler settings before auto update (linux)
AutoUpdate settings should be fetched from public settings
Client will update only if AutoUpdateClient is set to true
Tests for update.ps1. Redundant code removed
Pester test fixed for chef-install.ps1
Merge branch 'pd/azure-extn-update' of https://github.com/ClogenyTechnologies/azure-chef-extension into pd/azure-extn-update