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
Added single pixel camera functionality to the lab
Fixed a couple errors
added spaces to camera.py and inherit from object
Merge branch 'develop' into fft_revision

Conflicts:
	Algorithms/FFT/fft_plots.py

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

Merge branch 'develop' into fft_revision
enable profile for installing texlive

This should significantly accelerate the travis build as we installing significantly less.
We are also using the official installation package of TeXLive.

remove un-needed file