Improve Logging

* say what command failed during setupAndroidProj
Null checks for proxy.js when extracting Session ID, default to blank
Merge pull request #2356 from midopa/master

Null checks for proxy.js when extracting Session ID, default to blank
Merge pull request #2354 from dandoveralba/will

Improve Logging
Allow for different inputs to find
Merge pull request #2359 from imurchie/isaac-find

Allow for different inputs to find method
add intro and platform-support docs