adding python support for new gmr
adding reql tests for new gmr in python and javascript
adding javascript support for new gmr, plus tests
making js polyglot errors more useful
adding missing batchConf runopt to javascript driver
fixing some reql test harness issues, specifically regarding runopts
fixing typo in python driver
changing grouped_data_format to group_format, adding some more tests, and changing js native group format
removing obsolete regression test
updating ruby driver for group_format optarg, and fixing reql tests
Merge remote-tracking branch 'origin/grey_issue_1096' into 1096_gmr