take account of episodes scheduled for future publishing
Merge pull request #15 from debuglevel/master

episodes with status 'future'
fix feed validation mixup
bump version number
Merge branch 'master' of github.com:podlove/podlove-publisher
complete changelog
templates: change default to something usable
template autoinsert works equal to player now

- migrate settings column to VARCHAR
- remove current "default post content" behavior
- remove "insert template codes when creating episodes" behavior
- templates can now be inserted manually/at the end/at the beginning of
every episode
merge
make sure assistant is above "support"
shove the migration assistant in new users faces*

* in a nice and friendly way
encapsulate bootstrap styles and improve migration page header
rewrite migration help texts
reuse some easily accessible powerpress settings
maybe auto-insert template