enable LLVM/Clang in Travis
fix clang operator<< argument-dependant lookup, ambiguity
fix make_pair C++11 - use std::pair<,>()
fix implicit conversion from double to uint
enable std=c++0x, since gcc4.6 doesnt support c++11

c++11 is since gcc4.7+, Includes.am
Substitute param with optional variable.
silence expected stric-aliasing warning for this specific case

using dirty magic to do the check, the warning is known to occur there,
and is not a bug/warning.
Adds tests for some expected state update during flat_spatial_pooler compute() calls
Verify perms are not changed when randomSP is True; Add additional records to verify expected active column count; Remove accidentally included comments
Merge pull request #372 from iandanforth/mer857

Adds tests for some expected state update during flat_spatial_pooler com...
Merge branch 'master' into c++11-clang-modernizer-lite
This removes matplotlib as a dependency by default.  Along with it, clear out some un-used code
Deleted integration test which relied on ImageSensor
Restoring ImageSensor.py and network serialization integration test
enable LLVM/Clang in Travis
fix clang operator<< argument-dependant lookup, ambiguity
build opt -Qunused-parameter for clang

to don't mind -falign-loops=16 which clang does not know
use var _MATH here
switch gcc/clang specific compile flags
implement stringstream operator<< for vector

it's used by Index and was breaking clang.