Merge pull request #2011 from GDmac/2.0

fix #1939 and fieldtype javasript options #1782
Change menu generation to use icon_one and icon_many
Change to use icon_one and icon_many in contentypes.yml.dist
Bugfix, no contentype defined for not shown menu - just use standard icon
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Merge pull request #2012 from rarila/issue-1996

Issue #1996
Don't allow direct access to .md files. Fixes #2014
Create changelog.md. Fixes #2015
create new instances on demand otherwise instances and thus locations persist across the request
theme should mount only inside the theme directory
set the namespace before creating the handler
redirect to correct namespace
pt_br remaining strings translation
Allow <a href> in RSS. Fixes #1989 (for Bolt 2)
Merge pull request #2020 from tahtah-santos/pt_br

pt_br remaining strings translation
Update Application.php
Fixing version number.
fix changelog screens #2017
go back to using themebase
this was resetting the prefix and uploading to the root, use the created object insead.