Temp commit
add HTTP Specific Settings preferences!
Merge branch 'master' of github.com:semigodking/aria2-android-client into semigodking-master

Conflicts:
	res/values/strings.xml
add some Torrent/Metalink perference!
Add button as refresh indicator. Better control to refresh.
Merge branch 'master' of https://github.com/ChuLiqiang/aria2-android-client