Five concerts scheduled to take place in Havana in July
Lawyer with Mariela Castro’s group spoke at N.J. symposium
Mariela Castro accused of manipulating advocates
Last year brought advances, setbacks across the world
Groups describe gathering outside Havana as a “mockery”
Critics of island's human rights record criticize organizers
Authorities detained Leannes Imbert Acosta in Havanafor 12 hours on Sept. 11
