Get rid of dependency from QHttp* classes.
Modify configure script to support both Qt4 and Qt5 (also modify qconf project and modules to produce such script).
Update QtSingleApplication.
Fix translations bundled with Qt.
Fix functions and macros using to support both Qt4 and Qt5.
Implement episode filter for rss downloader
Add tooltip to episode filter text edit
Add setting to ignore RSS rule matches for X days

Conflicts:
	src/rss/rssdownloadrule.cpp
[WIP] Implement open & select file in file manager
Ignore 'Torrent addition dialog' setting if the file doesn't exist:

Allows to post error message to log
Use better algorithm for seeding