rel-1.1.0

This release contains:

• A Cython version update for Scan
• A refactor of Op into an abstract class
• A refactor of COp and Type interfaces that relies less on exceptions and more on abstract methods
• The rename of theano.gof → theano.graph including
  • gof.graph.inputs → graph_inputs
  • gof.graph.orphans → orphans_between
  • gof.graph.variables → vars_between
  • gof.graph.ops → applys_between
  • gof.stack_search → walk
• The rename of PureType → Type and Type → CType
• More numeric stability of the Softplus Op
• The removal of config__seterr* settings, changing the default behavior from all="ignore" to numpys default configuration

In addition please take note of the changes from rel-1.0.15 as they are equally breaking w.r.t. rel-1.0.13