Added v1.8.2 API reference

Merge pull request Esri#709 from mohi9282/mohi9282-v1.8.1-minor-fixes

v1.8.1 minor fixes to samples. Looks good, thanks @mohi9282

Merge branch 'master' of github.com:Esri/arcgis-python-api

Added 1.7.1 API ref to master

Merge pull request Esri#536 from jyaistMap/jy-release-notes-17

Release notes for 1.7. thank you @jyaistMap

Replacing incorrect password in replace_profiles script

Added labs to the profile replacement script

tentative script for replacing profiles on the fly

Merge pull request Esri#464 from Esri/dev_site_next_release

Dev site next release (V1.6.2)

Merge branch 'master' of https://github.com/Esri/arcgis-python-api