Merge pull request #1 from GRiker/master

Testing push from local repository, pull request to Kovid
version 0.9.33
Updated coffeescript
When deleting custom recipes, use recycle bin

Fixes #1186142 [Recipe deleted without option to cancel deletion](https://bugs.launchpad.net/calibre/+bug/1186142)
Use search() instead of /
Linux build: include both ffi libs

Include the ffi libs from both gcc and libffi. Fixes #1186148 [libffi.so.6 not available in debian sid](https://bugs.launchpad.net/calibre/+bug/1186148)