Change require to require_dependency so SCM classes get loaded on each request in dev mode

Fixes for Activity list column alignment

Conflicts:
	app/models/journal_observer.rb
	lib/chili_project/version.rb
	test/unit/principal_drop_test.rb

This will prevent the usage of the wrong wiki_content status.

The code is not overly pretty and deserves a thorough refactoring, but at
least it solves the problem at hand.

Rails 2.3 doesn't work well as a rack-only app

It completely breaks on Ruby 1.9.3-p0. This is a stopper for people installing all groups. For the rest it is rarely used at all. Developers and testers requiring it can include it into their Gemfile.local

This will prevent the usage of the wrong wiki_content status.

The code is not overly pretty and deserves a thorough refactoring, but at
least it solves the problem at hand.

It completely breaks on Ruby 1.9.3-p0. This is a stopper for people installing all groups. For the rest it is rarely used at all. Developers and testers requiring it can include it into their Gemfile.local

Merge branch 'pulls/783/remove-new-issue-link-if-unauthorized' of https://github.com/finnlabs/chiliproject into unstable

It turns out in this case or core patches, unloadable actually breaks in
development mode. Did I already mention that I hate the Rails reloader?

Gravatars now generally have a border and are displayed equally.
The Issue history formatting is cleaned up with much of the positioning
magic removed in favor or a simple float.

This brings us a reliable filter override until
https://github.com/Shopify/liquid/pull/87 is accepted and
released upstream.

This commit moves the markup caching into Liquid rendering. As
Liquid allows to return different results depending on the environment
(variables, logged user, ...) we only cache the page if it contains
no active content.

Unfortunetely, active content currently also includes the TOC
in wiki pages.