Fixed aspects_controller_spec.rb

Allow Cucumber tests to run with PostgreSQL with a non-root user.

Issue 2136 wrong aspect button text

Fixes omniauth & rack-1.2 bug #1824

Added task to capistrano to copy assets of resque-web (fixed)

Explicitly specify order of comments, since we cannot assume MySQL orderi

Fixed "string vs. integer" spec breakage in spec/models/user/querying_spec.rb

Not only this code is unnecessary with the new way selected
aspects are stored, also on some edge cases could confuse the user
for example when having two tabs opened and hitting refresh in one
of them. Expecting selected aspects, but the "a_ids[]"-like url could
instead set the new group of selected aspects.

wip oembed refactor.  still need to make a oembed_helper, and move some tests to their new home, but e but we are looking preeeetttttyyyy good.

Postgresql statistics

Leaving the #order call in #last_three_comments caused the generated SQL to
have two conflicting ORDER BY components, which caused the query to return
invalid results.  I removed the problem by removing #last_three_comments which
I consider a premature optimization.