Various top-level changes: add comments, remove log statements, bump version, add redirect target validation, add session secret, add secure cookie flag
Tweak "next" redirection
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Merge remote-tracking branch 'upstream/master'

Conflicts:
	package.json
Merge remote-tracking branch 'bob/master'
Add placeholder troll's goals app
Improve comments for each app
Initial version of Troll's Goals app, with Category and Tag CRUD (Category-Tag link not-quite-functional)
Trivial tweaks to fortune_cookie and template app
Restructure page, dividing it into Category and Tag tabs
Fix multiselect for category tags, so category-tag CRUD fully works
Add error-handling, both development and production versions
Add guest login in preparation for Troll's Goals; Refactor dropdown styling
Move common styles into header.css, and common scripts into dropdown.js
Tweak common styles, making site-specific backgrounds fill the entire page
Bump version after jitsu deploy
Troll's Goals v0.5 - records, categories, and tags
TG Milestone 1: Record CRUD
TG Milestone 2: category -> area, tag -> domain (areas each have 1 domain)
Record CRUD not yet tested
Fix record scoping and today calculation
Tweak sidebar; remove unit and activity placeholders from record tooltip
Change cookie duration from 1 hour to 1 year
Fix popover display issue by removing "toggle" code and manually triggering click handler
Change redirect behavior for non-GET requests - 401 Not Authorized, with redirect (TG app only)
Various tweaks, including prompt_for_description and changing custom tooltip code
Update package.json with new (automatic) version