Reject nil entries in Site#read_things
Refactor data/[] fetching of item property.
Fix a broken link on the troubleshooting.md page
better, simpler test case...
Remove comments
move EntryFilter class from global namespace into Jekyll module
Merge pull request #1797 from dougjohnston/patch-1
Update history to reflect merge of #1797
Merge pull request #1800 from cs/move-entry-filter-into-jekyll-module
Update history to reflect merge of #1800
Merge pull request #1796 from mojombo/fix-fetching-things

Reject nil entries in Site#read_things
Update history to reflect merge of #1796
Updates for the 1.4.1 release

The 1.4.1 release is on the v1-stable branch
Merge pull request #1795 from Ivoz/patch-1

Add link to Jekyll homepage
Update history to reflect merge of #1795
Reformat to match the rest of the file
condensing code slightly
Merge pull request #1788 from mojombo/group-by-filter-2
Update history to reflect merge of #1788
Unminify css