added username interface
small change
username tag lenth fix
 a bug fixed
solve a few bugs and duplicate code
unbind mouseover added
tag fade faster
rebuild cursor move and selection function, range create helper function added, added cycler function
Adds notes from code review
Merge pull request #4 from lyndsysimon/develop

Adds notes from code review
Merge pull request #5 from CenterForOpenScience/develop

Develop