* Added decorators module to hold general decorators for landlab.
* Added decorators module to hold general decorators for landlab.

== Added ==

* Added decorator, make_return_array_immutable to wrap methods that
  return a numpy array. The wrapped methods return a view of the array that
  is read-only.



csherwood-usgs/landlab,RondaStrauch/landlab,landlab/landlab,Carralex/landlab,decvalts/landlab,Carralex/landlab,Carralex/landlab,laijingtao/landlab,cmshobe/landlab,csherwood-usgs/landlab,landlab/landlab,RondaStrauch/landlab,amandersillinois/landlab,RondaStrauch/landlab,SiccarPoint/landlab,ManuSchmi88/landlab,cmshobe/landlab,landlab/landlab,ManuSchmi88/landlab,SiccarPoint/landlab,decvalts/landlab,amandersillinois/landlab,cmshobe/landlab,laijingtao/landlab,ManuSchmi88/landlab