Merge pull request #3543 from Azure/AUX47

Aux47
Merge pull request #3559 from Azure/AUX47

Aux47
Merge pull request #3574 from Azure/AUX47

Aux47
Merge pull request #3638 from Azure/AUX47

Aux47
Fixed image bug in push tutorial
Merge branch 'AUX462'
initial authoring
Resolving merge conflict.
Merge branch 'AUX47' into AUX471
Merge pull request #3756 from Azure/AUX47

Aux47
Merge pull request #3777 from Azure/AUX47

Aux47
Merge pull request #3805 from Azure/AUX47

Aux47
Merge pull request #3813 from Azure/AUX47

Aux47
migrated changes from AUX47 (deleted articles from there)
Merge pull request #3829 from cephalin/AUX471

migrated changes from AUX47 (deleted articles from there)
Resolving merge conflict.
Merge branch 'AUX47' into AUX471
Merge pull request #3839 from Azure/AUX47

Aux47
more writing
added images for migrated articles