Replace zlib.js with pako.

Fix #102, see this bug for more details.
Merge pull request #117 from dduponchel/pako

Replace zlib.js with pako.
use SVG to display Travis CI build testing status
Merge pull request #119 from Mithgol/patch-1

use SVG to display Travis CI build testing status
Fix small typo in index.html

remove extra 't' in one of the migration guide headings
Merge pull request #120 from x2764tech/patch-1

Fix small typo in index.html
Merge remote-tracking branch 'stuk/gh-pages'
Merge branch 'master' into feature-new-doc

Conflicts:
	index.html