Ver 1.1.2

• add docs on how to add external css (two ways, in body or in head using js)
• cleanup some link tags in the headers (use xhtml style)
• Add mdr output to the mdr example in the README.md
• Add restapi for integration with other tools (mainly to be able to add built in
  support for creating/editing Munin reports in Ride).
• convert unmanaged R reports to character vector if it returned something else.
• upgrade dependencies for junit, liquibase, mdr2html, and spotbugs, htmlcreator, spring-boot, bootstrap