Merge branch 'release/0.2.37' into develop
Footer: Link to release notes.
Tracker: Better error messages.
Options: Store whole options object.
UI: Scroll smoothness fix.
UI: Even more smoothness.
Trust: Convert: Listen to success event.
Tracker fix.
Trade: css fix on input-group-addon.
Send: Ripple URI pathfinding bug fix.
Bump version to 0.2.38.
Merge branch 'release/0.2.38'