removing gh-book templates from bookish
use a modal instead of an alert for new book name
add modal for editing book metadata
fix common/image inclusion
add media types for "rename this..."
Use cleanup plugin for pastes.
filter empty values from metadata before passing to book
tweak some create book ui
Merge branch 'master' into book-metadata
confirm closing the metadata modal
change buttons on list elements of the toc
allow editing metadata of books
Fixes broken require-less.

This also looks nicer.
Merge remote-tracking branch 'origin/master' into edit-book-metadata
Merge pull request #21 from oerpub/fix-requireless-config

Fixes require-less config
Merge remote-tracking branch 'origin/master' into edit-book-metadata
Merge branch 'master' into book-metadata
Merge pull request #18 from oerpub/book-metadata

add modal for book metadata
Merge remote-tracking branch 'origin/master' into undoredo
fix bug in 'next' button behavior (book metadata modal)