Fixed #303 Add the ability to rename rooms and recordings (GRN-18) (#304)

* <Added modal for rename>

* <Commit changes and switch branch>

* <Javascript Scaffolding for rename room feature>

* <Created room_block.js>

* <update changes>

* <Updating rename branch>

* <Update rename.js>

* <Update branch>

* <Update branch>

* <Implemented renaming of room blocks>

* <Refactoring code>

* Remove modal due to new design

* <Finished renaming of rooms>

* <Updated renaming of recordings>

* <updating branch>

* <added renaming of recordings>

* <update branch>

* <>

* <Fixed code style>

* <Fixed rspec tests>

* Update application.js

config/routes.rb

@@ -61,6 +61,7 @@ Rails.application.routes.draw do
   # Extended room routes.
   scope '/:room_uid' do
     post '/', to: 'rooms#join'
+    patch '/', to: 'rooms#update', as: :update_room
     post '/start', to: 'rooms#start', as: :start_room
     get '/logout', to: 'rooms#logout', as: :logout_room