whenjs
Merge branch 'altitude-band' of https://github.com/enram/bird-migration-flow-visualization into altitude-band

Conflicts:
	viz/js/birds.js
Tab with 4 spaces
Close parentheses
Indent and rename navigation element
Start css for navigation box
Set other start time
Change colours of map
Remove extra padding-bottom

Was 15em.
Added with 2 buttons for basic time navigation
Height to navigation
Merge branch 'altitude-band' into design-navigation

Conflicts:
	viz/index.html
	viz/js/birds.js
previous/next buttons for time working and triggering visualization of specific timeframe
Correct title
Remove LifeWatch INBO styling, use bootstrap

* Remove normalize.css (already included in bootstrap)
* Remove font awesome (use glyphicons instead)
* Remove Noto Sans font
* Remove overriding custom.css
* Remove header
* Add page-header with link to source code
Reindent display area
Redesign navigation form

* Use form
* Use bootstrap form-group
* Rename to previous next
* Use glyphicons for + and -
* Use text for altitude
* Add JS onclick to buttons/select element
Changed jquery stuff for previous/next to functions and called from index.html
Merge altitude-band branch
Merge branch 'altitude-band' into design-navigation