fatcubin x86/x86-64 generation and loading.

* split CompiledKernel.getCubin() into getCubin32 and getCubin64 for x86/x86-64 bit architectures
* generate two files from cuda code, prefixed with -32 and -64, for x86 and x86-64 bit respectively
updating README.md
updating README.md again
Merge pull request #82 from amiftah/features/multi_fatcubin

fatcubin x86/x86-64 generation and loading.
fixing support for both 32/64 bit builds
building linux native with earlier version og glibc
updating readme
building linux native runtime with older version of glibc
fixed bug in NegExpr to CUDA C. BufferPrinter now supports byte[]
Merge branch 'master' of github.com:pcpratts/rootbeer1
adding ArrayReader to Rootbeer
updating README.md
Merge branch 'master' of github.com:pcpratts/rootbeer1 into develop

Conflicts:
	src/edu/syr/pcpratts/rootbeer/runtime2/native/cudaruntime_x64.so.1
	src/edu/syr/pcpratts/rootbeer/runtime2/native/cudaruntime_x86.so.1