[W51] Sean Lee: 12.15 ~ 12.19
[W50] John Hu: 12/09 - 12/12
[W51] John Hu: 12/15 - 12/19
[W51] chens: 12/15 - 12/19
Add .gitignore
Merge pull request #69 from dwi2/add_gitignore

Add .gitignore
Merge pull request #66 from weilonge/W51_1215_1219

[W51] Sean Lee: 12.15 ~ 12.19
Merge pull request #67 from huchengtw-moz/2014-12-22

[W50] John Hu: 12/09 - 12/12
Merge pull request #68 from shamenchens/Dec15-Dec19

[W51] chens: 12/15 - 12/19