Merge branch 'hotfix_improve_articlelist_master'
select all sets in project if none given; fix stats for zero hits

Signed-off-by: Wouter van Atteveldt <wouter@vanatteveldt.com>
Merge branch 'hotfix_allsets'
do not take first digit of project id
Merge branch 'hotfix_allsets'
add total xaxis
Merge branch 'hotfix_total'
query_ids use filter dls
Merge branch 'hotfix_saveset'
Recovering by username is not supported anymore (it seems; disabling it so users won't encounter errors)
uidb36 --> uidb64 (Django 1.6)
Fixed "PENDING" bug
Merge branch 'hotfix_pending'
Merge branch 'hotfix_pending' into dev
"Show more articles" in "Show snippets" fixed
Merge branch 'hotfix_more_snippets' into dev