A hacky image viewer
Fixed #321: Made the menu button similar to the Chrome button. Also applied some other UI tweaks.
Fix nits
update .gitignore
fix typo
Merge pull request #333 from sunglim/update_doc

doc nit: fix typo
Merge pull request #324 from dinhviethoa/321-chrome-menu-icon

Chrome-style menu button and other UI tweaks.
Merge pull request #331 from sunglim/gitignore

update .gitignore
Fix nits
add a gradient background to the menu button
Merge pull request #320 from ikarienator/HackyImageViewer

Implemented image viewer (Fixed #137).
Build version 0.0.16
Remove debuggin leftover + remove redundant </input>
Merge pull request #336 from ussuri/minor-fixes

Remove debuggin leftover + remove redundant </input>
Replaced remaining <button> -> <spark-button>
Merge pull request #337 from ussuri/switch-buttons-to-spark-button

Replaced remaining <button> -> <spark-button>
convert to using css margins
Merge pull request #334 from dart-lang/menu-background

add a gradient background to the menu button