Removing BGEO and BIN readers/writers.

These haven't been used since they were first written, and haven't been updated to the latest specs for their respective formats.
Removing IFFHairReader.

Maya classic hair is quite old, and modern workflows should be using nHair instead.
Enabling OBJReader tests.

No idea why these were disabled in the first place...
Marking TypeIds for reuse, removed bindings
Merge pull request #290 from andrewkaufman/deadFormats

Removing old geometry formats
Updating IE build options to use the Cortex 9 registry.
Setting explicit tbb location in IE config
Fixing test for recently removed op
Fixing EXRImageReader canRead to accept scanline images.

No idea why it didn't in the first place. I left the check for "" because I don't know why it was there...
Disabling Nuke DeepImageReader test.

Executing a DeepWrite in command line mode was causing a seg fault, preventing the other tests from running. I've submitted a bug to the Foundry (Ticket#2014061310000018) with a simple repro that does not use Cortex. We can re-enable the test if they fix the crash.

I also renamed the test deep exr file, because Nuke's DeepRead didn't like the .dexr extension.
IE config doesn't override OpenEXR paths per app.

Since we're using 2.1.0 now, we have fully versioned sonames, and don't need to force using the natively shipped OpenEXR