libbladeRF: Cleand up gpio_* return values and remove a few printf()'s
CLI: Added interactive mode support for RX and TX, misc. refactoring.

See the README.md in the linux/apps directory for more details.

Note that -d <device> is now optional if only one device is connected.
CLI: Fixed a few small typos in the README.md
kernel: Remove some breaks which were causing issues.
lib: Add some device initialization after the FPGA is loaded.
lib: Do not want to enable the modules via pins until we're ready to do something with them.
lib: Typo fix in LMS register access

Function call was missing a device handle argument
Moved pre-compiled binaries to top of README.
build_bladerf.sh: fix quartus 13.0+ support

nios2-build-project does not seem to exist in 13.0 and later.
So, look for nios2-terminal instead.
Add a Troubleshooting section to hdl/README.md

A couple workarounds for the dash/bash confusion, to save folks
from having to Google.  (Maybe)
Add a Quick Start section to the README
Fix markdown formatting error
Merge pull request #35 from rtucker/nios2_build_project_workaround

build_bladerf.sh: fix quartus 13.0+ support
Merge pull request #36 from rtucker/readme_updates

README updates