IN-478 - Adjustments to 150b4263f9 to improve rendering in IE
Show top 25 tags on right sidebar, previously top 10
Remove underlined space after tags on right sidebar
Remove extra carrot character in comments
Make 'Liked' and 'Like' buttons have identical widths
Challenge page sorts idea by creation time, doesn't display archived
Fix broken tests caused by d27d4d9
Merge pull request #39 from m3brown/style

Various cleanup/adjustments