Minor edits to address collab comments. Mostly section 3
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(*) Added a reference to eor.bib
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(*) Fake commit. No real changes.
Merged fake commit of e6fc8c0 namely a4377c3 with branch danny4 2845225
after resolving Conflicts:
	changelog.txt
	foreground_delay_spectrum_modeling.pdf
	foreground_delay_spectrum_modeling.ps
Changed title