* Client: Fix typo
* Client: Add removeFriend feature
* Server: Add removeFriend feature
* Server: Update method name
* Fix rebase onto develop issues
* Server: Fix error message
* Server: Remove useless methods in removeFriend method
* Server: Finish remove on pod feature after rebase
* Server: Type pod parameter
* Fix Travis build
* Add friend-basic test for the remove one pod feature
* Add check-params tests for the remove one pod feature
* Fix typos
* Add friend-advanced test for the remove one pod feature
* Client: Trailing new line
* Move to promises
* Add undefined id test
* Use find method instead of a for loop to find the friend to remove
* Remove setTimeout method
* Server: Remove requestScheduler operations
* Server: Fix logging messages
* Server: Remove sign request parameter
