IA Page <-> Topics many to many relationship
ddgc_add_topic.pm - create script to add entries to the topics table
create topic and add to topics in IA
update for topics many-to-many rel, and delete some unused code that was used for xslate version
delete unused metadata file
Stop crashing when the IA idea no longer exists.

I made a mistake when programming the migrated to thread redirect.
This rectifies it by moving the migrated check to after the exists /
ghosted check.

This also moves the thread -> idea migrated check to after the
permissions checks. There's no interface element exposed to migrate
non-general threads to IA ideas, but I think belts look smashing with
braces.
Sometime the first call to SQL::Translator::translate crashes.

This adds calls for the new and old schemas and discards the result as a
workaround.

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ddgc_create_ia.pm - a script for adding new IAs
ddgc_create_ia.pm - initialize all fields to avoid malformed JSON
Merge pull request #310 from duckduckgo/non-existent-ia-ideas

Stop crashing when the IA idea no longer exists.
Merge pull request #311 from duckduckgo/db-upgrade-workaround

Sometime the first call to SQL::Translator::translate crashes.
ddgc_create_ia.pl - change file extension from .pm to .pl
check if topic already exists for this ia
remove debugging from iameta
Merge pull request #309 from duckduckgo/topic_updates

some changes for topics many-to-many relationship
Merge pull request #305 from duckduckgo/topics_list

IA Page <-> Topics many to many relationship
Merge pull request #312 from duckduckgo/newIA

Script for adding new Instant Answers
Merge branch 'master' into emptyIApage