activation and uninstall with temp settings
settings page proposal for #14
Merge pull request #18 from cfoellmann/settings-page

Settings page by @cfoelmann
correct hallo to hello in class-admin. Thanks @javi
activation and uninstall with temp settings thanks to @cfoellmann
Add initial autocomplete functionality to text editor
Merge branch 'master' of github.com:WPCollab/Hello-Emoji

Conflicts:
	classes/class-admin.php
Add a per post type setting and callback. For issue #15. Options not saving yet, which is a different issue:)
fixes for tabs as spaces and indentation
proper access check (performance issues with old check)