Begin reworking of sign up/off and void buttons.
Add balances button in sidebar.
Wrap balances table based on window width.
Change button layout to a table and tweak CSS.
Rename buttons (clarification with text browsers).
Fix typo.
Change appearance of buttons.
Make `columnize` function available to all pages.
Prevent chore buttons from wrapping.
Merge branch 'appearance' into development

Conflicts:
	chores/static/chores/chores_list.js
Loosen reversion permissions.