Adding Idea and Fact as theoremlike environments

These are already handled correctly by the CSS.
Merge pull request #6 from Chris-Cunningham/patch-1

Adding Idea and Fact as theoremlike environments
Merge branch 'development'
fixing comment on enumerate flag
added hints environment
added href support
Merge branch 'master' of github.com:bartsnapp/ximeraLatex
Merge branch 'development' of https://github.com/bartsnapp/ximeraLatex into development