ported sections from dp1
Finished part or porting
added to appendix
Merge pull request #1 from shaunhaow/porting

Porting
Merge branch 'bgjacob' of https://github.com/shaunhaow/dp_report into bgjacob

Conflicts:
	src/appendices/app1.tex
	src/background/background.tex
Changed section to subsection
Merge branch 'bgjacob' of https://github.com/shaunhaow/dp_report into bgjacob

Conflicts:
	src/appendices/partialDeriv.tex
	src/appendices/taylorExpansion.tex