Remove script usage examples

The examples have been removed from the respository.

This pull request should take care of the first item in #129
Change links to emperor.colorado.edu/master/...

These examples are built from the master branch every five minutes in
emperor.colorado.edu.
Merge pull request #135 from ElDeveloper/no_examples

Remove script usage examples
Changing default color scheme to discrete
Adding tests. Fix #136
Merge pull request #137 from antgonza/issue_136

Changing default color scheme to discrete
Add axes labels and axes color selectors

These selectors allow the user to modify the colors that the 3d and
parallel plots use.

Fixes #134
Change to listen from axes and labels colors

The code now listens to callbacks from the axes labels color and the
axes line colo selectors. This is consistent across both parallel and
three dimensional plots.

Fixes #134
Change color formats for all spectrum objects

All spectrum objects are now hex6 format i. e. all colors are
represented by 6 characters.
Merge pull request #139 from ElDeveloper/issue_134

Add controllers to change the labels and line color
Merge branch 'master' of git://github.com/qiime/emperor into issue_107

Conflicts:
	ChangeLog.md