Don't freak out if the calibration information is not there.
Some minor printing fixups.
Merge pull request #63 from Engidea/master

cleaning up for better code, cosmetic
libbladeRF: Cleanup on the updated si5338 code.
cli: Must link against ncurses (for OSX at least).
bladeRF-CLI: Perform file expansion when in interactive mode.

This commit addresses issue #44, and is a manual merge of dragorn's pull
request.
bladeRF-cli: Bumped patch version for path expansion fix.
handling of endianess in both rx and tx csv, binary data is alwais (for now) in LE format