Fix comment typo

SharedDataFacade.h is for the shared memory case; old comment implied the opposite.
Merge pull request #906 from andrewbts/patch-1

Fix comment typo
std lib adjustable on all versions of OS X
Refactored the EdgeBasedNode class.

This includes more robust computations in ComputePerpendicularDistance.
There were cases where ComputePerpendicularDistance divided by zero and had
to handle special cases, even though this was not necessary.
applied requested changes to EdgeBasedNode.h
minor change
minor copy-edits to PR #946
set stdlib explicitly, fix indentations
minor tweak to disable C++11 flag on demand
implements #951
implement #951, better command line handling
provide better feedback on command lines
remove pesky fun ptr from CRC32 computation
remove collapsable if statement
split long line in two
make variable names more telling
make variable names more telling
make variable names more telling
reverse inverted logic
avoid private static member functions