Fixes #155
Fixes #171
Changes checkbox label from 'Flip axis' to 'Negate values'
Stretches axis to fit negated spheres
Fixes #166 by adding the missing dollar sign in the documentation
Negates the lines in comparison plots
Makes the lines in comparison plots connect after changing the axes
Adds a dollar sign to doc/installation_index
Fixes graph for comparison plots with multiple files
Merge branch from master
Fixes the color for edges and labels not changing properly when negating edges. A description of the negate axes feature is also added in the README file.
Cleans up the Javscript code
Removes a print out from the code
Changes Javascript file to make the lines update for multifile cases when changing the axis
Fixes the bug of removing too many zeros, and adds a test for it
Changes the zero replacement to [:-2]
Merge pull request #182 from jacksonchen/issue_155

Fixes #155, #171, and #166