Workaround for bug in xgettext

https://savannah.gnu.org/bugs/index.php?41668
Update Le Temps

http://www.mobileread.com/forums/showthread.php?t=232489
Add test for ssl module being importable
Utility code to download https URLs securely
When downloading recipes/get books plugins use HTTPS
Use the TLSv1 SSL protocol version by default
Add support for HTTP proxies to the HTTPS fetcher
Py3 compat for https downloader
Move the linux installer download script into the calibre source tree
Edit book: Fix option to disable showing the character before cursor not working
...
Fix Bug #1268118: epub converted produces invalid .rtf file
Fix amazon store plugins not showing cover.
Fix kobo store not showing any results.
Fix smashworks store not showing any results.
Remove eharlequin store because it no longer works.
Update store versions.
Make the installer run non-interactively with installation dir specified via environment variable
RTF Output: Fix invalid RTF being produced when the text contains a double backslash. Fixes #1268118 [epub converted produces invalid .rtf file](https://bugs.launchpad.net/calibre/+bug/1268118)

Also updates to various Get Books plugins

Merge branch 'master' of https://github.com/user-none/calibre
Various Russian news source by bug_me_not