DESCRIPTION:
Added suggested package xtable (for vignette)

auxfun.R:
Fixed bugs in documentation.
Moved summary functions.

cv.glasso.R:
Fixed bugs in documentation.
Renames het.cv.glasso to conform with function naming conventions.

diffnet.r:
Changed path for examples for building package.
Moved plotting and summary functions.

diffregr.r:
Moved plotting and summary functions.

ggmgsa.r:
Changed path for examples for building package.
Moved plotting and summary functions.

mixglasso.R:
Removed simMIX function as duplicate.
Changed path for examples for building package.

netplot.R:
Fixed bugs in documentation.
Changed various function names to conform to naming conventions.
Moved some plotting functions from other files.

netsim.R:
Renames some functions to conform to naming conventions.
Fixed bugs in documentation.

netsim_test.r:
Adapted to function name changes.

nethet.Rnw:
Added some text, adapted to function name changes, added bibliography statement, fixed some latex bugs.

Added (empty) file nethet.bib.