fixes bug 963671 - Changing date range on report list forgets which tab you were on
bug 952233 - expand topcrasher_ranks_bybug results by default
Merge pull request #1822 from peterbe/bug-963671-changing-date-range-on-report-list-forgets-which-tab-you-were-on

fixes bug 963671 - Changing date range on report list remembers tab
Merge pull request #1827 from rhelmer/bug952233-expand-topcrasher_ranks_bybug-by-default

bug 952233 - expand topcrasher_ranks_bybug results by default
fixes bug 952233 - display message if signature not in active releases
Merge pull request #1828 from rhelmer/bug952233-display-message-if-no-active-releases

Bug952233 display message if no active releases
bug 947021 - json is pathologically slow on our new processed structure, provide ujson for correlation reports instead
Merge pull request #1829 from rhelmer/bug947021-correlations-json-slow

bug 947021 - json is pathologically slow on our new processed structure,...
fixes bug 964558 by merging all requirements files

remove the false distinction between dev and prod dependencies by
merging them into a single file. This simplifies our build process
and leaves one path to prod -- we test with the dev deps and ship
what we test.
Merge pull request #1830 from lonnen/964558-merge-requirements-files

fixes bug 964558 by merging dev/prod requirements files