overview.tex: trivial spelling fix.
Added skeleton of paper.  very rough stuff.
probably all of it will be changed.
Added additional subsection.
remove the softSusyCompatibleRGEs flag

Softsusy and SARAH both have now the g^4 terms of the anomalous dim.
of the Higgs fields implemented.  However, SARAH misses the g^4
terms from the anomalous dim. from the background field.  Therefore
I've disabled them in Softsusy for now.
Merge branch 'master' of ssh://pktlogin.phy.tu-dresden.de/soft/users/theory/FlexibleSUSY