Update to htmLawed 1.1.16
Use htmLawed in Heise plugin to fix problems with images
Merge pull request #468 from gerundt/heise-htmLawed

Use htmLawed in Heise plugin to fix problems with images
missing db prefix on 5a49b98ba0c88a62c33165ed562dc029955806f1
fix HTML on main page
Merge pull request #472 from mistic100/fixhtml

fix HTML on main page
Merge pull request #471 from mistic100/fixduplicates

Fix duplicate items with MySQL
README.md update
save OPML export file with xml extension

The OPML importer doesn't accept ".opml", treating it as octet-stream.
fix auto language detection
Merge pull request #475 from hdhoang/patch-1

save OPML export file with xml extension
readme update
Merge branch 'master' of github.com:SSilence/selfoss
sources: show sources with error first
Sqlite's "optimize()" was implemented.
Merge pull request #478 from arbk/proto4optimize01

Sqlite's "optimize()" was implemented.
Merge pull request #477 from hdhoang/master

sources: show sources with error first
Merge branch 'master' of github.com:SSilence/selfoss
README.md updated
fix bug on base url determining using https