Merge pull request #9 from maxsnew/master

Specify only compatible version of http-conduit
Nicer styling for text
Move the "model" of dependencies to the Elm repo so that it can be shared between any dependencies
Ask to add installs to the elm_dependencies.json file
Disallow upload of libraries with 3rd party dependencies
minor phrasing change
Get the version number from the Elm compiler, not the elm-get version number!
Add ability to remove things from the listing
Get doc generation working with new Listing type
Make clicked links more subtle
make clicked and unclicked links the same color
mess with style
make it type check
minor style change
minor style change
Put higher limit on responseTimeout for elm-get requests, getting rid of weird timeout error when things still work
Generate parts of elm_dependencies.json prettily

Offer to add missing fields when someone has an incomplete
elm_dependencies.json file. Offer to add dependencies when they are
installed.
Make names column wider in catalog
Add note about how to see previous versions of a library.
Get ready for initial release