* Added the `lgtv` platform to control a LG Smart TV running NetCast 3.0
(LG Smart TV models released in 2012) and NetCast 4.0 (LG Smart TV models released in 2013).
* Fixed multi-line docstring closing quotes
* Rename lgtv to lg_netcast
* Rename lgtv to lg_netcast
* Extracted class to control the LG TV into a separate Python package 'pylgnetcast' and changed requirements accordingly.
* regenerated requirements_all.txt with script
* now uses pylgnetcast v0.2.0 which uses the requests package for the communication with the TV
* fixed lint error: Catching too general exception Exception