added legacy flag to run old code
fixing some notes parsing issues
change comment field and modify model structure
merge of cobra-devel with git/master
convertSBMLToCobra appears to work with iND750 now.
fix parseSBMLNotesField bug that set wrong tag for models using html annotation in notes fields.
fixed parseSBMLNotesField to ignore white space between key and value in Notes
appears to work with iND and Y6
merge, less vonB & rBioNet
tested with Yeast 6 COBRA, iND750, recon2, iAF
added optional legacy flag to readCBModel to enable use of old convertSBMLToCobra
added legacyFlag to readCbModel code
fixed bug if legacyFlag is true - cellfun doesn't work on strings.
Merge http://github.com/rmtfleming/cobratoolbox into develop
Merge branch 'convertSBMLToCobra' into develop