Merge pull request #7 from ciubotaru/unstable

Merging unstable into master
Merge pull request #8 from ciubotaru/unstable

Merging unstable into master for 0.3
Merge branch 'unstable'
Merge branch 'unstable'
moved directories to comply with Wordpress guidelines
Added button preview to the settings page

* Separated button generation and button display functions. Button contents now depends on whether it's a preview or normal button.
* Added preview section on settings page. Not real preview, because it only updates works on save or reset.
Merge branch 'unstable' of https://github.com/ciubotaru/share-on-diaspora into unstable