Added the usefull changes from the smellyfeet branch
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Merge pull request #91 from senseobservationsystems/smellyfeetMerge

Added the usefull changes from the smellyfeet branch
Merge pull request #92 from senseobservationsystems/develop

Merged from develop
Updated the project with Phonegap library v2.9.1
Fixed the audio spectrum calculation.
Removed dc component
Added noise burst sensors
Merge pull request #93 from senseobservationsystems/audioSpectrum

Audio spectrum
Merged with the master