Marking 1.2.0 (CTFd#628)

* Mark 1.2.0.
* Update CHANGELOG.
* Add `window.challenge.data` object. 
* Don't raise a 500 when an endpoint can't be found but was POST'ed too. Mostly from scanners...
    * Add test for not found endpoints.
* Fixing issue with clearing logo on config update.
* Truncate scoreboard team name to 50 characters.

Marking 1.1.4 (CTFd#605)

* Marking 1.1.4

Marking 1.1.3 (CTFd#599)

* Version 1.1.3

Marking 1.1.2 (CTFd#559)

**General**

* Fixed page links on subdirectory deployments
* Fixed challenge updating on subdirectory deployments
* Fixed broken icon buttons on Safari

**Themes**

* Upgraded to Bootstrap 4.0.0
* Upgraded to jQuery 3.3.1
* Upgraded to FontAwesome 5.0.4

Mark 1.1.1 (CTFd#544)

* Marking 1.1.1

Fix page preview

Marking 1.0.5 (CTFd#429)

* Update changelog
* Marking 1.0.5

Revert modification to get_config

Updating CHANGELOG

Marking 1.0.2