test
making build process a cleaner and updating readme.
Merge branch 'master' into development

Conflicts:
	.gitignore
	GruntFile.js
	README.md
	nv.d3.js
	nv.d3.min.js
ignore .orig files from merging conflicts.
nuke deprecated directory, remove silly intro/outro files and use grunt options.
remove intro/outro from the file list too.
build working and saving to build folder, moved libs to examples folder, redid all examples to use built versions.
bump version to 1.5.16 and have grunt add version, date, and repo url to the built files.
Inject version everywhere from single place in grunt file.
Add link to latest version to readme.
add zip/tarball download links.
fix wording and links
wording
Made a demo site using the examples pages, will then just merge to the special branch for github's project site.
Link to our new demo site.
Fixed and cleaned up the examples more, added a link to the source under the example.
manually merging pull request:   https://github.com/novus/nvd3/pull/716/files
Remove unnecessary CSS, including CSS on svg elements so we don't conflict with site-wide dom.    Also don't fade in tooltips so damn slowly.
Allow for range of 1, refactor of https://github.com/novus/nvd3/pull/662
getX and getY are referenced below so not sure why they were missing, merged this:  https://github.com/novus/nvd3/pull/629