Bug fixes

Admin theme, when clicking on message "This module cannot be found.
Delete its configuration settings." its takes two goes before the
display is updated. In addition JustCarmen pointed out that modules
don't appear on the admin theme left hand menu when a module is
enabled/disabled
Upgraded CKEditor

Previous version couldn't identify Internet Explorer 11
Merge pull request #85 from ddrury/Update_CKEditor

Upgraded CKEditor
#31: Fix call to undefined function regex_quote() on add user page
Merge pull request #87 from magicsunday/issue-31

Fixes #31 call to undefined function regex_quote() on add user page
Updated german translation to fix favorite + bookmark issues
Merge pull request #90 from magicsunday/translation-de

Updated german translation to fix favorite + bookmark issues
Fix wrong translation of german male/female cousin
Merge pull request #93 from magicsunday/translation_de

Fix wrong translation of german male/female cousin
Updated translation by bogie
Don't skip files beginning with a dot when checking permissions
Second attempt at 1.5.2 release
Next release will be 1.5.3
Bug 1278182 Familypage - lines connecting mother to one-parent grand-parents
Merge branch 'master' of https://github.com/fisharebest/webtrees
wrong name for lock file
Batch update / search+replace doesn't match multi-byte wildcards correctly
Attempt to reset timeout limit during upgrade
Converted README to markdown format
Show README.md on admin readme page.