Let developers override more core pages by theme package

The concrete/single_pages/profile/* pages should be added as well. This is related to
http://www.concrete5.org/developers/bugs/5-6-1-2/overriding-single-pages-within-a-theme-package/
Add a bit more space for SWFUpload button text
Fixed typo in "Job successfully installed" success message
Changed blog_entry page type to use defined dateformat and correct translation string.
Removed duplicate variable assign
DateTime attribute: fix validation

When akDateDisplayMode is date_time the method receives the keys
'value_dt', 'value_h', 'value_m', 'value_a' and not the key 'value'
Fixed mysql escape in deleteBlock function
Updated FileSet::populateFiles() method to pass an ORDER BY clause to the ADODB_Active_Record::Find() method
remove DateHelper

DateHelper is no longer necessary here as it is called in the getCollectionDatePublic() already.
Use date constant instead of literal

that way it will automatically be changed according to the current language.
Fix creation of delete_file_set permission key

Move the description of the delete_file_set permission key
from the 'package' xml attribute
to the 'description' xml attribute
Revert localization

Let's keep localization-related stuff only in views when possible.
Localize permission key name in bulk add/remove page permissions

Let's use the PermissionKeyName context when viewing
permission key names
Fix charset of exported users list
Fix Negative wrap around in page parents

Fix Negative wrap around in page parents

- Change PageStatistics::incrementParents() to use application math as
  opposed to database math
- Set cChildren to 0 if method would increment to a negative number
Changed profile messages to use defined dateformat
Use predefined constant when defining directories for block types
use text helper instead of htmlspecialchars
resolved deprecated function call onkeypress
Fix Upgrade Error with no Administrators Group

Fix Upgrade Error with no Administrators Group

Upgrade fails if Administrators group has been deleted.

- Check for Administrato(via ADMIN_GROUP_ID) and if it does not exist do
  not add it to permissions list