Spelling/formatting fixes.
Update Neo4jClient metadata
adding missing links
adding blog link to first page
upgraded forwarder proxy to new relative console context path
added macos warning
changed enterprise download to point to new enterprise enrollment page
added graph-gist december challenge page
Merge pull request #182 from jotomo/spelling-formatting

Spelling/formatting fixes.
Merge pull request #187 from tathamoddie/master

Update Neo4jClient metadata
adding a simple asciidoc example under http://127.0.0.1:3000/test/asciidoc
graph-gist december challenge page -> typos and corrections
added more warnings and notes to download_thanks
added date to graphgist webinar
added campaign reference tracking for ?ref= to kissmetrics
added campaign reference tracking for ?ref= to kissmetrics
changed event filtering to filter after yesterday
event improvements:

* only use spreadsheet as source
* filter only 12 hours back
* leave off undefined map locations
updated cypher tutorial to 2.0
Fixed logo not shown in IE8. There's a PNG image in conditional comments now.
Merge pull request #189 from amorgner/master

Fixed logo not shown in IE8.