(Sorry for the commit-noise)

Rip faster_csv out of lib into the Gemfile. #517

[#573] acts_as_searchable definition in WikiPage may be insufficient and cause SQL errors

The pdf export tried to export the initial journal, which it shouldn't.

Invalid watcher user error when adding an invalid user as watcher #577

Taken from Redmine r5880
Committed by Jean Philippe Lang

Conflicts:
	app/helpers/repositories_helper.rb

Conflicts:
	app/views/wiki/annotate.rhtml
	app/views/wiki/diff.rhtml
	app/views/wiki/show.rhtml

move protect_from_forgery to the beginning of the before_filter chain as per the recommended rails practices

Use the equivalent db:migrate:plugins instead that is provided by the
engines plugin directly.