added separate xhr request for offline detect
allow esri.github.io requests
fixed improper usage
fixed improper usage
correctly detect tile image type
added how to use app cache file. Place holder
additional tweaks based on optimized build
restored after testing
added manifest reference to popup-sprite
added a check for offline state. Changes life cycle of library
added new offline verification sequencing
added checks for undefined object
doc tweak
tweaked code comment
added cache-loaded event
code comment tweaks
added detect and verify for websql
moved callback to after db init
changed how no. of tiles are calc'd
removed old code