created show notes for frozen videos
[Finishes #82528944] Add ability to embed Blockly blocks within multi/match content
cleanup based on feedback
do not allow changing only case when editing level name
better error message
Update copyright for Angry Birds and Plants vs. Zombies
Fix 2012 copyright
fix when "Birds" is not the word immediately after "Angry"
Fix typo
Update studio.code.org with hoc2014 blocks, course4, and other improvements.
Update studio.code.org with four blocks for hoc2014, course4 block, new course1-4 info about age range, and lighten blocks to match studio bar on code.org.
add new country pages with new languages completed
new translations hourofcode.com
update hoc.com translations
update hoc.com country pages
Merge pull request #583 from code-dot-org/hourofcode

hourofcode.com translations
modify hoc.com/az/resources
i18n partner logos
student edge partner logo
fix hoc.com portuguese from hora de codigo to hora do codigo
add concepts to frozen videos for show notes