cleaned up some code, inserts query after executing
revert hostname change
Merge branch 'grappa-master' into yorkw-merge

Conflicts:
	appengine/js/editor.js
	appengine/myria_web_main.py
	appengine/templates/editor.html
fixing errors from merge
fixing queries
fixing myria c backend connection
adjusting dataset handling
minor style fix
clang server data
adjusting server interaction with executing query
renaming clanghost and clangport to chost and cport
allowing cpp files to be named w/ relkey
creating query path
query results can be read from datasets
adjusting clang links and dataset creation
fixing dataset load issue
starting on querystatus/start stop timing of queries
add query status in results tab
computing time differences correctly
fixing server