typo fix
Merge pull request #135 from skv-headless/typo_fix

typo fix
Fix code for Blackjack problem to check for values under 21

Fixes #92
Prevent RSS icon from overlapping the RSS link text

Fixes #124
submit solution by ctrl+enter
Merge pull request #136 from skv-headless/ctrl_enter_submit

submit solution by ctrl+enter
Ensure solution doesn't get created if vote creation fails

Task #178189
Try to optimize upvotes/downvotes operation

Task #178188
Fix formatting of mongoid.yml
Merge branch 'develop'