fix myriad multiway join.
Merge pull request #169 from uwescience/fix_multiway_join_myrial

fix compile MyriaL to multiway join
editor.js: show datasets created on successful query
myria-web.js: fix profiling JS after uwescience/myria#573

@jingjingwang changed the JSON format, but only Myria code was fixed.
Need to fix myria-web, myria-python, etc.
update myria-python submodule
Merge branch 'master' into dhalperi-show-datasets-created
datasets: remove download link for big datasets

Can only download datasets where we know the size and fewer than 100M cells.
(Number of cells is # cols * # rows.)
update test_myria_up to test both large and small datasets

- add TwitterK
- add numTuples for both Twitter and TwitterK
- check that Twitter's download link does not show in the page (too big)
- check that TwitterK's download link does show in the page (small)
Merge pull request #173 from uwescience/dhalperi-show-datasets-created

Dhalperi show datasets created
datasets: add sorting
datasets.html: icons when sorting
Merge pull request #174 from uwescience/dhalperi-sort-datasets-page

Dhalperi sort datasets page
fix missing semicolon。
Merge pull request #175 from uwescience/shumo_small_fix_on_editor_js

fix missing semicolon
update raco submodule
put up a warning when the user isn't using Chrome

fix #178
@domoritz' suggested fixes
remove unused jumbotron css
make phytoplankton demo use smaller data

Seconds, rather than minutes
vain attempt to get travis to work with google app engine again

Something is busted in Travis. I'm following this patch:

https://github.com/raphaelcuba/fbsdk-webapp2/commit/99bf7fd93b1808bf81b95244c99744073d37e9f0