Merge pull request #292 from ratajczak/master

Cosmetic CSS tweak
Merge pull request #293 from ratajczak/master

Export glossary subnav link in dgu_site feature
Merge pull request #295 from ratajczak/master

Better way of validating facebook and linkedin urls
Add sample directory with sample database
Add sample apps to database
Update search index in default database
Merge pull request #297 from ratajczak/master

Various glossary fixes
Merge pull request #298 from ratajczak/master

Redirect after glossary comments, fix glossary style
Merge pull request #299 from ratajczak/master

Fix invalid permission check
Merge pull request #300 from ratajczak/master

Fix links to parent entities in 'Recent comments' block on user profile
Merge pull request #301 from ratajczak/master

Set glossary active menu on glossary term pages
Merge pull request #302 from ratajczak/master

Fix links to ckan datasets in 'Recent comments' block on user profile
Merge pull request #303 from ratajczak/master

Fix links to glossary terms on 'All comments' view in user profile
Merge pull request #304 from ratajczak/master

Fix comment counter links on glossary page
Add sample image files and change the default panel images to show the sample images
Add app sample images to sample images directory
Update sample images files
Merge pull request #296 from j420n/master

Add sample directory with sample database
Change file permissions of sample images
Add Sample images for Apps and Update database by removing panels revisions