Add translation: Traditional Chinese

Signed-off-by: Shaka Huang <shaka@cs03.org>
Fix error parsing upcoming event

Signed-off-by: Shaka Huang <shaka@cs03.org>
Fix error display thumbnails after scrolling list

Signed-off-by: Shaka Huang <shaka@cs03.org>
Add bitmap cache

Signed-off-by: Shaka Huang <shaka@cs03.org>
Click upcoming event to open detailed page;
Click button to add reminder for event

Signed-off-by: Shaka Huang <shaka@cs03.org>