This commit adds reading excluded and excluded_reason from the db.
Excluded/Unexcluded button added to domain page.
Updated tests so that they all pass with the new content
Added new test to verify the button is present.
Got formatting of checkbox looking ok.
Modified InsertLinks so that one can add domains excluded.
Modified controllers to submit exclude reason when adding link
Improved formating of list page: fixed width button
Matched the button width across the 3 textbox pages.
Add an iteration to TestInsertExcludedLinks to follow a different code
path.
Merge branch 'master' into ConsoleExclude
Merge branch 'master' into ConsoleExclude
ConsoleExclude: update the InsertLinks comment to reflect new usage.
In ConsoleExclude add.tmpl cleaned up the format of page.
ConsoleExclude change links.tmpl so that uses bootstrap for column width
Merge pull request #70 from iParadigms/ConsoleExclude

Console exclude
FAQ: instructions for install on mac

Also had to increase the sleep time for the tests slightly in order to
pass on my local machine.
Merge pull request #74 from iParadigms/mac-install

FAQ: instructions for install on mac
Merge branch 'master' into RegexSearch

Conflicts:
	console/controllers.go
	console/test/model_test.go