Merge pull request #16 from pieroit/wordlift-3.0

Composer and Preliminary ShortCode tests
remove redundant configuration
Merge branch 'wordlift-3.0' of https://github.com/insideout10/wordlift-plugin into wordlift-3.0
add PHPDocumentor to the package requirements
wordlift css and js are now linked via plugins_url (developers, configure your apache)
update readme file
update readme file
update readme file
hook to plugins_url to allow WordLift to be used with symbolic links
remove unused wordlift_get_url method
fix reference to angular js
update README.md
make the URL sanitization more relaxed
remove nested annotations
update README
update README
fix binding related entities on post saving
fix entity preselection when there are no related entities
Merge remote-tracking branch 'upstream/wordlift-3.0' into wordlift-3.0