Use correct font for follow log button.
Fix repository hint on accounts pages.

Accounts and the profile are currently separate controllers, so
whenever you switched the account, the message would be hidden.
Rearrange items on the first sync page.

The success message would originally show up below the message
that we're synchronizing. This change shows either the information
or the success message.
Limit flash messages to 2

(closes travis-ci/travis-ci#1859)
Fix some wording for the log view.

Capitalized makes more sense and it's a single log, hence
the singularization.
It's Log not Logs.
Add button to add a new repository from sidebar.

It's currently not obvious where to click to add a new repository,
and if anything, we should make it easier for people to set up
new repositories.
Let the add repository button float on the right.
Extend LinkView to allow click tracking.

Allows us to hook in to certain links and see how they're used.