Rewrote hook_requirements htaccess rule detection to check for new rules and account for variable whitespace

Issue #1483678 by spotzero: Bug - If the browser height and width was smaller than the smallest threshold, no style was selected

Issue #1467216 by couloir007: Mobile browsers aren't honest about the screen size.  Added multiple methods of detecting screen size for better mobile support

Issue #1483668 by spotzero: Feature Request - Made width, height, max of both, or min of both configurable methods for how the browser screen size is determined.

git authored Jan 10, 2012 and David Pascoe-Deslauriers committed Jan 10, 2012

Issue #1396720 by kingfisher64: 'height: auto' added so that the original image's proportions are kept during re-sizing.

Issue #1370190 by animelion, BIT: Fixed rewrite rule issues with sample image not loading and with it not working when drupal isn't at the root.  RewriteBase needs to be set now though.  Fixed errors in the readme.  Started work on making the warning raised on the status report more useful.

Issue #1370186 by animelion, spotzero: Fixed notice when adding css class to image that don't already have classes