create links to work units
Merge branch 'development' of https://github.com/EscalaSaudeDF/TEM-DF
restyled link to graphs and graphs view
Links to graph fixed. Fixes #77
create medics x speciality on workunit graphs. Fixes #78
funcional tests created and view changed Fixes #79
comments and methods without usage deleted
Merge pull request #81 from sickert/development2

small changes on files.