converted lab1 from latex to markdown, moved latex files to oldLatex directory
didn't convert BMI formula footnote yet
Merge pull request #1 from naomilong/master

converted lab1 from latex to markdown
actually added lab1 latex to oldLatex folder
Merge pull request #2 from naomilong/master

actually added lab1 latex to oldLatex folder
Merge remote-tracking branch 'upstream/master'