Improved RNG seeding on Windows
Updated AES implementation
Removed SHA1 implementation, replaced by QCryptographicHash
Replaced ARC4 implementation by the one from KeePass 1.11
Some cleanup
git-svn-id: https://svn.code.sf.net/p/keepassx/code/trunk@216 b624d157-de02-0410-bad0-e51aec6abb33