fixed and unified indenting, added comments in handleClientReady
client loads messages using the new client loads messages using new method, getChatMessages restructured and renamed to getLastChatMessages, added GET_CHAT_MESSAGES, getChatMessages restructured and renamed to getLastChatMessages
Added link to load more chat-messages using new GET_CHAT_MESSAGES
only load 20 messages when pressing the load-link, fixed whitespace
converted load-more-link to button, added loading-gif, fixed typo
Added tests
Fixed test-names, use waitFor instead of setTimeout
use always() instead of done() and call expect() in there, fixed whitespace
Merge pull request #1334 from mluto/load-more-chat-messages

Load more than 100 chat messages using a 'load more'-link