Merge pull request #10 from ianstormtaylor/terse-options

added ability for options to be a string value for terseness
docs
fix backwards positioning
Release 0.1.3
rename .content() to .message() for inheritance bullshit

fixes popovers...
Release 0.1.4
add explicit Tip#message() call

fix inheritance bullshit with confirmation popover
Release 0.1.5
add .position() .auto option to completely disable auto positioning
Release 0.2.0