Add useful information in <title> tags
Fix task #241
Add useful information in <title> tags (put ' - ' in layout)
Fix task #241
Add useful information in <title> tags (code optimization)
Fix task #241
we always check if a dev plugin exists before including it
Merge branch 'master' into ticket_241

Conflicts:
	apps/frontend/modules/package/templates/showSuccess.php
	apps/frontend/modules/rpm/templates/showSuccess.php
	apps/frontend/modules/user/templates/loginSuccess.php