yaml os discovery now respects the os mib_dir definition
mib_dir now only allows strings, not arrays
changed schema validation to account for that
consolidated dell mibs, no reason for them to be spread out
Changed some values to be explicitly boolean
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* Blue Coat device updates
* Blue Coat device updates
* Updated PHP code per @laf comments
* YAML update for Packetshaper
* SSL Visibility YAML and snmprec file
* Cleanup problematic MIB files which should not have been there
* Reset Packetshaper YAML to original
* Added json test data
