raco: update with bugfix to SUBSTR
myria-python: upgrade with new queries API
queries: add search, rewrite pagination
myria_web_main: unused imports
appengine: fix test then bug identified by tests
Show a message if there are not queries matching the search or there are no queries
Update myria-python to a version with explicit arguments for the function that gets the queries
queries: rename logical plan to query

It has not been a logical plan forever. More often than not, it's
actually the submitted query.
queries: basic search box

still has some padding issues that I need to work out, but this is the
best version I've had so far.
queries: minor query string cleanup
Condense the panel header and align search box and heading
myria_web_main: add a commented-out localhost

makes it easier to switch from test to prod
queries: fix pagination when empty search

Introduced by f08c4d319cf9eb2c0537ac76906734e1bd54e817
Merge pull request #237 from uwescience/web-fts

Full-text search on the web