Commit with table/ref/text updates
	new file:   Figs/Src/pltselfcalph.m
   	    - Generates plots of residual vis. phase as a function of bline length/vis power
	new file:   Figs/Src/testsrcph.m
   	    - Demonstrates that a map of point sources should have phases uniformly distributed
   	      between -pi:pi.
	modified:   aartfaac_RT_calib_v1.tex
		- Tried fixing subfigures, still does not work
		- Fixed tables to match A&A format, including timestamps
		- Fixed fractional flux contribution of model sources. Using 178 MHz src statistics
		  (srcstat.m):
		  Background source flux contribution = std(unmodelled 3C srcs)*srcs_in_fov
		  => modelsrc fractional contribution = modelsrcflux/(modelsrcflux+backgnd flux)
		- Fixed repetition in iono. section by merging /deleting text between Effect of
		  iono. on calibration and observational effects section.
		- Fixed citep/citet issues
		- Fixed confusion on widefield imaging.
		- Moved time/spectral bin section to its own subsubsection
	modified:   ref.bib
		- Added some references.