Added pdf with corrections
Update wfr_doc.tex
Update wfr_doc.tex
Update wfr_doc.tex
Implemented Photon and Readout Noise for WFS.
Updated noise strengths, fixed photon noise (Poisson)
Update wfr_doc.tex
Spell check and added some comments
Merge branch 'master' of https://github.com/faitdivers/pyao into iss47

Conflicts:
	doc/WFR/wfr_doc.tex
Merge branch 'iss47' of https://github.com/faitdivers/pyao into iss47
Merge pull request #79 from faitdivers/iss47

Iss47
Merge pull request #83 from faitdivers/WFS_iss57

WFS_iss57 Sensor Noise Implementation
Everything seems ok!
Fixed conflict in mainWFS.py