1039 reduce collection rate, changed 10m->30m 1s->2s
1045 - not handling http response code when searching for mls
Merge pull request #1042 from garvankeeley/reduce-gps-rate

1039 reduce collection rate, changed 10m->30m 1s->2s
Handle bad request (400) by stopping further scheduling of MLS queries.
Merge pull request #1050 from garvankeeley/mls-points-1045

1045 - not handling http response code when searching for mls
Merge branch 'dev' of https://github.com/garvankeeley/MozStumbler into delete-stumbles-on-400-only