Fix typo in documentation.
Move subtitle field to after title field.

Style to be the same, and add same behaviour with respect to label / faux placeholder.
Documentation and Quick Edit fixes.
Merge remote-tracking branch 'origin/master' into develop
Move screenshots into assets-wp-repo
Move screenshots into assetts-wp-repo
Update back-end screenshot, fixes #7
Better checks for supported post types, fixes #6

Various other bits of code tidying.
Update README with info regarding new markup.
Pre-prep for 1.1.0 release
Merge branch 'release/1.1.0'