NetworkLayer: Added documentation comments.
.oppfeatures: Fixed package name.
ExtInterface fixes
makefrag: added newline at end of file
aodv-uu: minor: progname is a pointer to a constant string
ran clang-modernize-3.5 -use-nullptr
ran clang-modernize-3.5 -add-override

for run:
 - generate path.lst in inet/src: `find . -type d | sort >path.lst`
 - added parameters "-add-override -include-from=path.lst" for clang-modernize-3.5
NetworkConfiguratorBase: C++11 changes: nullptr, constructor style
ran clang-modernize-3.5 -loop-convert