Fix for Modernizr+IE8 issues, improved setLevel() error handling, sup…

…port for auto-activation of desired logging when console eventually turns up in IE8

Use LocalStorage for level persistence if available, compatibility im…

…provements for IE, improved error messages, multi-environment tests

Fixed incorrect text in release build banner, various other minor tweaks

Added log level persistence (by cookies, if available), some bugfixes…

…, bower/jamjs support

Real stable release, adding documentation, minor tweaks and polish to…

… 0.1.0

Initial working release