[FIX] Unfunded banner flicker (RT-2064)
[CHORE] Trustlines: Add balance and currency to delete trustline messaging
[TEST] Integrate Travis with Gitter.
[FIX] 'Load More' on history tab ignores date filter (RT-1843)
[FEATURE] Place recently used currency pairs on top (RT-1876)

* Change to "recently used" instead of "recently traded".
* Add watch in rpCombobox in order to update list at once.
[FIX] Button UI: Delete btn-cancel css styling