spelling fix
Merge pull request #487 from Tadwork/patch-1

spelling fix
fix #489 - evaluate() should return a result which can be altered
Update colorizer.js to check for ANSICON and have colors on Windows

Check env variable 'ANSICON', and if exists, colorize the output.
Update colorizer.js to check for ANSICON and have colors on Windows

Check env variable 'ANSICON', and if exists, colorize the output.
Update colorizer.js to check for ANSICON and have colors on Windows
Merge pull request #491 from renatodarrigo/patch-1

refs #490 - checking for ANSICON on colorizer.js to have colors on Windows
added warning for when trying to use casper in a node env
proper exit when node is detected
fixed jshint
refs #482: sync with master