Relocated most import statements to the initial code block in the .tex file.
Revised the language of the first four pages of the first fft lab.
Revised the language of pages 5-6 in the first fft lab.
Revised presentation of page 7 of the first fft lab
Merge branch 'develop' into fft_revision

Conflicts:
	Algorithms/FFT/fft_plots.py

Merge branch 'develop' into fft_revision
text edits to first section
fixed text and some problems
added picture
fixed figures and their references
fixed homework problems.
fixed picture
fixed solutions
final edits
Merge branch 'develop' into fft_revision

Merge branch 'develop' into fft_revision
Lab: MapReduce
modifications to scraping lab.
Merge pull request #687 from joshualy/fft_revision

Revisions for the first fft lab
Merge pull request #707 from ayr0/jared_scrapy

modifications to scraping lab.
Merge pull request #706 from ayr0/jared_mr

Lab: MapReduce
Merge pull request #702 from rachelwebb/lab5

Changes to affine transformations lab.