Fix a bug to read entries correctly
Revise log messages using console.group
Use png format instead of jpeg to capture

- revise base64ToFileEntry to handle other formats
Revise Gyazo model to open a page instead of an image
Fix a bug on loading a patch in background
Remove GimmeBar model
It seems that Gyazo accepts any image format.
Merge pull request #246 from YungSang/topic

Remove GimmeBar Model
Merge pull request #249 from YungSang/patches

Fix a bug to read entries correctly
Merge pull request #250 from YungSang/topic2

Use png format instead of jpeg to capture
Use match() instead of test()
Merge pull request #251 from YungSang/topic2

Use match() instead of test()