set of updates for Polish recipes
Driver for Nook Glowlight
ebook-convert .recipe: specify number of feeds and articles

When developing recipes using the command line, allow specifying the
number of feeds and articles when using the --test parameter. Fixes #1246061 [[Enhancement] Make --test option to ebooks-convert take parameters specifying the number of feeds to download and number of items per feed to download](https://bugs.launchpad.net/calibre/+bug/1246061).
Content server: Display book title on permalink page

Fixes #1246523 [No title shown in permalink view](https://bugs.launchpad.net/calibre/+bug/1246523)
Content server: Show the most important fields (authors/series/tags) at the top in the book details view.
...
...
Bulk metadata download fix reviewing only covers

Bulk metadata download: When downloading only covers and some covers
fail, do not show the failed books while reviewing downloaded metadata.
Fixes #1238271 [Download only Covers:  Reviewing -> The books with "no cover found" are also displayed.](https://bugs.launchpad.net/calibre/+bug/1238271)
Start work on CSS syntax highlighter
Fix Bug #1228905 Calibre does not create a valid .bib file
BibTeX catalogs: Strip unmatched braces

BibTeX catalogs: Strip unmatched braces to ensure to revent generation
of invalid .bib file. Fixes #1228905 [Calibre does not create a valid .bib file](https://bugs.launchpad.net/calibre/+bug/1228905)

Merge branch 'bibtex_fix' of https://github.com/alexbiddle/calibre
Working CSS syntax highlighting
Refactor the highlighter classes to make them completely trivial
...
Highlight CSS inside <style> tags
Add device ids for Kindle Fire HDX to linux MTP driver

Fixes #1246775 [Please add Kindle Fire HDX to MTP list](https://bugs.launchpad.net/calibre/+bug/1246775)
Merge branch 'master' of git://github.com/kovidgoyal/calibre
...
version 1.9
...