Add a tweak to change the image compression quality used by the content server when it makes thumbnails.
Remove Bookoteka store, as they don't sell ebooks any more
Add some recipes of Uruguay.

Add 10minutos.recipe (News of Salto)
Add diario_el_pueblo.recipe (News of Salto)
Add diario_salto.recipe (News of Salto)
Add unoticias.recipe (News of Montevideo)
Add padreydecano.recipe, update el_observador...

Add padreydecano.recipe (C.A. Peñarol related news)
Update el_observador.recipe it was broken for a long time.
Use much less memory when reading and writing cache
More cache work -- remove some code, get rid of old file.
ebookpoint plugin: exclude audiobooks from list of items
Make metadata cache reading slightly more robust
remove 'The H' recipe

Unfortunatelly they're not publishing any more:
http://www.h-online.com/open/news/item/The-H-is-closing-down-1920027.html
Fix virtual libraries template function

The virtual libraries template function was overriding the cache used
for format_metadata in the ProxyMetadata object.
Merge branch 'master' of https://github.com/cbhaley/calibre

Add a tweak to control quality of thumbnails generated by the content
server.

Also improve cache usage performance of the wireless device driver.
Merge pull request #104 from t3d/eb

ebookpoint plugin: exclude audiobooks from list of items
Merge pull request #105 from t3d/master

remove 'The H' recipe
Update Neu Osnabrucker Zeitung
Update AM 730 and Ming Pao (HK)
Merge branch 'master' of github.com:kovidgoyal/calibre
calibredb: Allow setting fo title sort field

Fixes #1233711 [CalibreDB: title_sort is not a known field](https://bugs.launchpad.net/calibre/+bug/1233711)
DOCX Input: Handle numbering without character styles

DOCX Input: Fix erorr when converting docx files that have numbering
defined with no associated character style. Fixes #1232100 [Private bug](https://bugs.launchpad.net/calibre/+bug/1232100)
Merge pull request #102 from t3d/stores

Remove Bookoteka store, as they don't sell ebooks any more
Various Uruguayan news sources by Carlos Alves

Merge branch 'recipes_uruguay' of https://github.com/carlosalves90/calibre