Add "me" to user custom fields filters #1046

Adapted from
https://github.com/redmine/redmine/commit/28f9605fe2e242cc917108c277d8d6d6db3cdae1
by Jean-Philippe Lang
Fix failing tests for Ruby 1.9 #1046
Enable project-specific css #1017
Set $KCODE to UTF-8 on Ruby 1.8 to mimic Rails 3 behavior
Require bundler 1.0.14 to use the rbx platform in Gemfile
Correct engine tests to work on Ruby 1.9 #952 #944
Change to an HTML5 doctype #1018
Set the users language on the HTML tag. Fixes #1051
Include a minimal Modernizr JS build. Fixes #1054
Define today variable for liquid #1055
Fix the Strainer patch to enforce a filter array

Up until now, the patch used to be a no-op. While the filters class
attribute was set correctly, the methods using it were not actually
overridden as they are only included above the existing methods in
the module chain.

This resulted in an arbitrary load order of filters on Ruby 1.8. As
such, our overridden standard filters might not have actually
overridden anything.

Still, the patch can be completely removed once we either require
Ruby 1.9 (as we have ordered ahshes by default then) or once
https://github.com/Shopify/liquid/pull/87 was merged and released
upstream.
Format date in user's prefered format by default
Force the hover colour so that even rows highlight. Fixes #1063
Show the register link everywhere it's needed #979

Contributed by Harald Klimach
Don't show the search field when it's not needed #979

Contributed by Harald Klimach
Losslessly recompress all the image files. Fixes #1070
Fix migrating from Redmine 1.4 #1067

Contributed by Steffen Schüssler
Load rake tasks from plugins in chiliproject_plugins #1074
[#935] Setting improperly set up for default values

having a fixed call order resolves a problem where
'value=' was called before 'name=' resulting in no
serialization
Update jQuery/UI to 1.7.2/1.8.21. Fixes #1076