calibre: add missing dependency

required for book conversion
kmymoney: version bumped to 4.6.4.
calibre: version bumped to 1.6.0.
calibre: version bumped to 1.7.0.
smb4k: version bumped to 1.0.8.
calibre: version bumped to 1.8.0.
kdevelop: version bumped to 4.5.2.
kdevplatform: version bumped to 1.5.2.
calibre: version bumped to 1.9.0.
smb4k: version bumped to 1.0.9.
calibre: version bumped to 1.10.0.
qscintilla2: version bumped to 2.8.
kdbg: version bumped to 2.5.4.
calibre: version bumped to 1.11.0.
calibre: version bumped to 1.12.0.
kwave: version bumped to 0.8.11.
calibre: version bumped to 1.13.0.
calibre: version bumped to 1.14.0.
kdevelop: version bumped to 4.6.0.
kdevplatform: version bumped to 1.6.0.