calibre: version bumped to 1.25.0.
calibre: version bumped to 1.26.0.
calibre: version bumped to 1.27.0.
calibre: version bumped to 1.28.0.
qscintilla2: version bumped to 2.8.1.
calibre: version bumped to 1.29.0.
calibre: version bumped to 1.30.0.
digikam: changed libusbx -> libusb
qt4: Use mysql alias

Use mysql alias
Guillaume