Update DEPLOY.md

The admin username and password have changed so I had to look them up in the config file.
Merge pull request #51 from Norrit/patch-1

Update default admin username and password in deployment description
Added kandan favicon
Clarified self-hosted section of DEPLOY.md

Reformatted steps to be easier to read and more consistent with the other sections.
Added username/password keys to example database.yml.
Added config.serve_static_assets section.
Added default user/password info from above since it's easy to miss.
Merge pull request #58 from scotje/patch-1

Clarified self-hosted section of DEPLOY.md
CSS fix for Password errors do strange things to the layout
Added DS_Store to the .gitignore file
better scrolling in chat rooms
Added plugins to show hex and rgb colors when they are used on messages
Merge pull request #59 from magicmarkker/master

Password errors do strange things to the layout
Merge pull request #60 from gabceb/add_DS_Store_to_git_ignore

Added DS_Store to the .gitignore file
Renamed variables on hex plugin
Merge pull request #52 from gabceb/add_kandan_favicon

Added kandan favicon
Added ability to have more than one hex or rgb on a message
Merge pull request #61 from gabceb/added_rgb_and_hex_color_plugin

Added plugins to show hex and rgb colors on messages
Added left margin to the avatar
Merge pull request #62 from gabceb/add_left_margin_avatar

Added left margin to the avatar