Added code for distro identification using version and name and dependent packages
Merge pull request #1 from v-rahoth/master

Added code for distro identification using version and name, dependent packages and config files
Added automation user guide
force eol=lf for all python and powershell files
Removed White space (Github Commit test)
Merge pull request #2 from iamshital/master

Updated BVT tests
Added Code for CentOS7 dependencies
Merge pull request #3 from v-rahoth/master

Added Code for CentOS7 dependencies
Merge branch 'master' of https://github.com/Azure/azure-linux-automation