Fix install/upgrade errors when Zend is presented in library.

Conflicts:
	.gitignore
	composer.json
	composer.lock
	newscoop/application.php
	newscoop/application/Bootstrap.php
	newscoop/application/configs/application.ini-dist
	newscoop/install/classes/CampTemplate.php
	newscoop/library/Resource/Doctrine.php
	newscoop/tests/application/bootstrap.php
Update dependencies.

Use lightweight zendframework.
Remove smarty2 from dependencies.
Use smarty 3.1.
Fix unittests.
Setup Travis CI.
Disable email notifications from travis.
Make ingest test pass on fresh checkout.
Add vagrant setup.
Fix vagrant newscoop install.
Check for vendor dir is after requiring autoload
CS-4535: Article edit reports error when loading after fresh install

Fix context box items loading.
Fix article create id method.
Update smarty.
Merge remote-tracking branch 'petr/master'

Conflicts:
	composer.json
	newscoop/classes/Article.php