Fix php strict standards.

git-svn-id: http://plugins.svn.wordpress.org/menu-image/trunk@899613 b8457f37-d9ea-0310-8a92-e5e31aec5664
Add media uploader support. Fix php strict warnings.

git-svn-id: http://plugins.svn.wordpress.org/menu-image/trunk@916169 b8457f37-d9ea-0310-8a92-e5e31aec5664
Added plugin title to readme.txt
Created README.md

Used https://github.com/benbalter/WP-Readme-to-Github-Markdown to generate. Ideally this could be a build task.
Fixed PHP strict notices
Modify plugin to work with .ico images.
Get file extension with build-in function.
Add media uploader support. Fix php strict warnings.

git-svn-id: http://plugins.svn.wordpress.org/menu-image/trunk@916169 b8457f37-d9ea-0310-8a92-e5e31aec5664
Add translations
Update readme.
Merge remote-tracking branch 'origin/master'

Conflicts:
	README.md
	menu-image.php
	readme.txt