v3.3.3

Update changelog

ubuntu-kylin-software-center-3.0.4

v3.0.4

Supplementary modification

ubuntu-kylin-software-center-1.6.8

v1.6.8

Fix some lintian warnings

ubuntu-kylin-software-center-1.5.4

v1.5.4

update compat,control and changelog, 1.5.4