update selector for twitter hashtags
updated productAndService to use specification consistently
Merge branch 'master' of https://github.com/ecologylab/BigSemanticsWrapperRepository
updated apple product
products updated to use common 'companion_products' and 'comparitive_products' fields
Reduce clutter for specifications and ratings. Improve xpaths for amazon, home depot, ...
Merge branch 'master' of http://github.com/ecologylab/BigSemanticsWrapperRepository into specStuff

Conflicts:
	BigSemanticsWrappers/MmdRepository/mmdrepository/repositorySources/productAndService.xml
update generated classes for merge
Merge branch 'master' into fix_inheritance