Upgrade waf to 1.7.11.

Fix building with Clang 3.0 without extra CXXFLAGS Clang identifies as GCC 4.2 to compilers which check for GCC version. This patch adds further check for clang and undefines __DEPRECATED macro in case Clang is detected. Newer versions of Clang are much stricter and still require CXXFLAGS for other warnings.

Updatemany modules' Python bindings

fixed assert cond in LteUeMac::DoRemoveLc

Add missing limits.h include to nstime.h and print-introspected-doxygen.cc

Fix Ipv6Forwarding test

Doc tweaks

Doxygenate \internal

Disambiguate test asserts

Doxygenate todo's