added calibration description, simplified delay CLEAN description
updated data processing, clean and leakage sections
Merge remote-tracking branch 'nithya/master'

Conflicts:
	foreground_delay_spectrum_modeling.tex
Editing Observation parameters, data figure caption, and primary beam modelling to include discussion about Curtin beam model
updated beam description. small edits through section 4.2.1
edits in section 5, and conclusion. also a few more typos here and there
From v0.4 (b4741f4) and 2e40b94 from Danny:
==========================================

(*) Created a branch danny2 and merged Danny's updated repository into this
branch
(*) Removed references to labels sec:discussion and sec:discussion to let the
file compile in LaTeX without warnings and modified those places accordingly.
(*) Minor edits throughout
(*) Changed structure slightly in section 3 to increase reading continuity
From f0b7176 on branch danny2:
=============================

(*) Made few minor edits and removed some commented sentences
From f3f12ba on master after merging with branch danny2:
=======================================================

(*) Created ps and pdf files after merging with master branch