Move refresh timer control into Preview class
Add a toolbar with buttons to control the preview panel
Add inspect element and prevent preview from refreshing while it is hidden
ARG Noticias by Darko Miletic

Fixes #1249506 [New recipe for Argentinian news portal ArgNoticias](https://bugs.launchpad.net/calibre/+bug/1249506)
Create View menu
Transliterate the Arabic Alef into a

Fixes #1249469 [Transliteration of metadata from Arabic to English is not complete](https://bugs.launchpad.net/calibre/+bug/1249469)
Add more color themes and auto detect theme based on users GUI color palette
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Fix standalone editor launch not working
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Add a "transliterate" formatter function.
Merge branch 'kovidgoyal/master'
Merge branch 'master' of https://github.com/cbhaley/calibre

Template language: Add a transliterate function, useful to convert
metadata in other languages into its approximate English representation,
when exporting books from calibre. Fixes #1249562 [Feature Request: option to transliterate metadata when sending to device](https://bugs.launchpad.net/calibre/+bug/1249562)
Improved regex module for python

Taken from: https://code.google.com/p/mrab-regex-hg/
Update El Mundo

Fixes #1249656 [Updated recipe for Spanish El Mundo](https://bugs.launchpad.net/calibre/+bug/1249656)
pep8
Update Spiegel Online
Windows: Dont launch calibre as an external viewer

Windows: When viewing books with an external viewer, check if windows
will open the file with calibre itself, and if so, popup an error
message telling the user to install some software capable of viewing the
file. Fixes #1249698 [Opening a PDF in calibre changes the default "Open with" app](https://bugs.launchpad.net/calibre/+bug/1249698)
Focus editor when showing it
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