[NF] Querying and printing MST port roles via OSS_SNMP

See: http://www.barryodonovan.com/index.php/2013/12/09/mst-port-roles-via-snmp
[IM] Cisco SMST cistIntRootCost()
Fix variable provided to regex command to match what is used
Merge pull request #5 from rowanthorpe/fix_regex_variable_juniper

Fix variable provided to regex command to match what is used
[IM] Consistent nameing of vendor
[BF] Fix Juniper detection and date object
[NF] Find serial number for Extreme and Brocade devices (for inex/IXP-Manager)
Merge branch 'master' into gh-pages
Ignore cache
Update docs
Ignore OSX files
Add support for Brocade MLX
Add platform support for Foundry Networks, Inc. FES12GCF
Add $sysObjectID to the available options when determining platforms
Update phpdoc