add pressed effect in onyx dialog's close button.
set default font for wenquanyi hei
Merge branch 'master' of github.com:onyx-intl/booxsdk
use a genernal font if no default font is set.
solved the power management dialog can't be translated.
Merge branch 'master' of github.com:onyx-intl/booxsdk
1. improve class DownloadDB for drm fulfillment;
2. add unittest.
change the slot methods for drm fulfillment.
Merge pull request #6 from qiujiejun/master

pull request for drm fulfillment issue
Merge branch 'master' of github.com:onyx-intl/booxsdk into glow_light