Fix spacing between icons and text inside buttons, improve spacing on annotation cards, add placeholder for annotation creation textarea, adjust padding on tags.
Add examples to pattern library, polish CSS and HTML in accordance to @aron's suggestions.
Fix issue with spinner icon inside of button and vertical text alignment.
Merge pull request #1353 from RawKStar77/csstweaks2

Small style adjustments to tags and the editor text area.
Bump annotator-store version for security fix
Add a tabs example to the pattern library
Turn forgot password button back into a button
Improve tab styles on the authentication forms

Previously the active tab would be red, which could be confused with our
red anchor text and make the other tab look disabled. The new design
makes all text gray but adds an "active" border below the button.
Use border only on active nav-tabs item