Issue mozilla-mobile#1303: Move CustomTabService to new feature compo…

…nent: feature-customtabs.

Closes mozilla-mobile#1127: Expose ReloadPageButton through BrowserTo…

…olbar

This code already exists in our sample app, and was moved to make it
available to apps as well.

Renamed ReloadPageAction -> TwoStateButton.

Updates changelog doc with this and the parent issue.

Closes mozilla-mobile#1193: Glean ktlint errors show up for generated…

… build file

Add changelog for 0.28.0

Temporarily deactivate bintray publishing for 0.27.0 release

Disable bintray publishing temporarily.

Bug 1491314 - fix beetmover versions.

Remove API reference docs for versions lower than 0.20.

Add blogpost for 0.25

Increase maxRunTime to 7200