Fixes JSLint warning and updates core JS file
Adds increase() method in coupon code manager
Improves coupon provider implementations
Implements cleanupIndex() method to remove old entries in catalog index
Cleans up catalog index after rebuild
Revert "Improves coupon provider implementations"

This reverts commit d34b4a81f2e91799b5b06977222641886f195355.
Revert "Adds increase() method in coupon code manager"

This reverts commit 20d19db0c999e2c64ff2ee5709d6a5e0f4e968f4.
Revert "Fixes JSLint warning and updates core JS file"

This reverts commit 9b5c9d22708f0007573ee048033ad1cd799adcd8.
Removes side effect due to catalog index cleanup
Merge pull request #595 from nsendetzky/2014-04-29_index-cleanup

Implements cleanupIndex() method to remove old entries in catalog index