Bump py2neo to 1.6.2
Bump py2neo to 1.6.2

pombredanne/neomodel,bleib1dj/neomodel,robinedwards/neomodel,cristigociu/neomodel_dh,robinedwards/neomodel,andrefsp/neomodel,bleib1dj/neomodel,wcooley/neomodel,fpieper/neomodel