- LWS: fix bugs pointed out by clang leading to path strings being incorrectly build.
- remove self-assignment in MD5Loader.cpp
- Ifc: fix issue pointed out by clang that caused an epsilon check to go totally wrong. A pair of extra parentheses invoked C++ expression evaluation instead of argument passing.
- XGL: fix non isocpp-compliant definition of LogFunctions::log_prefix outside the namespace where the class resides.
- FBX: silence some warnings produced by clang about missing switch cases. Add TokenType_BINARY_DATA to TokenTypeString() function.
Merge pull request #27 from assimp/clang-fixes

Clang fixes based on this clang build: https://travis-ci.org/assimp/assimp/jobs/6158706

This silences false positives and fixes any real issues pointed out by clang - at least two of which were critical.