Fix: Add missing Form::end() when editing locale file

Closes #434
Fix: Make `Password` in admin_login placeholder translatable
Fix: Delete actions does not work in AclActions

Closes #438
Ref: http://article.gmane.org/gmane.comp.cms.croogo/304
Related: 15ea3ed896e1016b39cd5e5f04a0ce6c83185c46
Fix: Call to undefined method InstallManager::log()

Closes #441
Closes GH-205

Signed-off-by: Rachman Chavik <rchavik@xintesa.com>
Fix missing default session settings prior to the installation process

Closes #440
Made terms description nullable in fixtures

As they are nullable as describe in migrations https://github.com/croogo/croogo/blob/master/Plugin/Taxonomy/Config/Migration/1346931401_firstmigrationtaxonomy.php
The form input should use the configured value to tell whether it's multiple or not

Instead of hard coding it to true.
Added useful alt property for images

page_white image didnt have an alt, and thumbnails had generic default alts (thumb); this sets alt for page_white image as the mime type and the title of the attachment for thumbnails.

Signed-off-by: Rachman Chavik <rchavik@xintesa.com>
Sprinkling some __d() based on croogo/locale#21
Merge branch 'master' into 1.6

Conflicts:
	Config/core.php