fixes

fixed typos,
changed link to the new site,
added link to dart homepage
Merge pull request #76 from Klikini/patch-3

fixes for README.md
Merge branch 'dev'
forgot to take out 5000s chat-bubble timer used for testing
adjust chat bubble timing
remove debugging message
proper settings menu and key bindings (fixes #78)
Merge branch 'master' into dev