Make the SVG icon be inlined and SVG 1.1 Basic

Closes #55
Replace second use of SVG image
Duplicate the header between jQuery UI pages

Saves on space but also any accidental forgetfulness of not updating
both copies of the logo.

Negates and closes #58.
Tweak text field placeholder usage

All placeholder text is now under 29 character to be fully visible on
an 4” iPhone.

When the account password is copied into the clipboard, no text is put
in the field but the placeholder text is update to say where the
account password ended up.

Closes #53.
Update test for new UX
Manually turn off iOS auto* attributes

Closes #54.
Drop the 16x16 icon from the Chrome app manifest as it was only for extensions
Merge branch 'master' into chrome_packaged_app_v2