Only show email on user#show and show it to anyone logged in.
Working on #481, added timezone column for users as well as ConcertoConfig access to the app-wide timezone setting
Merge branch 'master' of github.com:concerto/concerto

* 'master' of github.com:concerto/concerto:
  Only show email on user#show and show it to anyone logged in.
Left in some testing code
Accomodating Travis' cocaine never gets old...
And accomodating decade old software (08/04/2003) definitely never gets old
Only use the around_filter for logged in users.

The previous errors were being triggered because the around_filter lacked an else clause so not-logged in users got nothing.  August says "No soup for you!"
Cache the number of children content for #483.
setup webrick for ssl testing
Merge pull request #500 from concerto/webrick_ssl

Add SSL support to Webrick for testing.
After many tribulations, a nice clean around_filter...
Refactor check_for_initial_install to be faster.
Merge branch 'master' of github.com:concerto/concerto
Change .all.empty? to !.exists?
Add ConcertoConfig caching, close #504.
Attempt to avoid some recursion?
Disable ConcertoConfig caching by default so our stack level doesn't get too deep.