grammar
wording
Merge pull request #330 from greg0ire/documentation_improvements

Documentation improvements
fix day value in seconds, used new constant variables
use the Admin.shared_setup function
check pageId closely

I don't know how yet, but I managed to get false as pageId in this
method call. This triggers a very ugly database error. Here is a
replacement with an exception. As a bonus, you get a unit test.
return null when target_id is false

There is no point to check the database if target_id is false. This
commit comes with a unit test
put error translations in the validators catalog

Symfony searches for validator translations in this particular catalog,
if you put them in your main catalog, error messages won't get
translated.
whitespace
Merge pull request #334 from greg0ire/translation_problem

Translation problem
remove doctypes

Symfony doesn't like them and gives me a 500
Merge pull request #335 from greg0ire/translation_problem

remove doctypes
fix typo in test class name
fix grammar and syntax
Merge pull request #338 from greg0ire/documentation_improvements

Documentation improvements
replace locale with a language

The locale makes the tests fail.
Merge pull request #340 from greg0ire/fix_unit_tests

replace locale with a language
Added datepicker
Merge pull request #341 from Bladrak/datepicker

Added datepicker
Fixed locale in case of 404 error