fix bug on building under path with whitespaces

- wrapping the path strings in quotes prevents interpretation as multiple files
  or paths if there are whitespaces in the path.
Merge pull request #75 from mseeber/build

fix bug on building under path with whitespaces
including S24_LE/BE formats to linux alsa driver
Merge pull request #76 from ricardocrudo/master

including S24_LE/BE formats to linux alsa driver
Improve documentation.