OLX Relister

Chrome extension using GMail API to filter messages from OLX portal and to automatically relist items.

TODO

~~Add log storage (with copy to clipboard)~~
~~Move API requests out of the popup~~
~~Add error indication~~
~~Add interval timer~~
~~Chrome notifications~~
~~Block multiple cycles~~
~~Implicit setting saving~~
~~Add automatic commits for releases (gulp-git)~~
~~Fix an issue with bad label format being sent with the modify call~~
~~Send requests in sequence~~
Add lang file, events, etc.
~~Add UI for timer settings~~
Move promise conversions to a separate library (code repetition)