Remove suffix to fix broken links to files

README.md

@@ -28,7 +28,7 @@ __Structural Patterns__:
 | [composite](patterns/structural/composite.py) | lets clients treat individual objects and compositions uniformly |
 | [decorator](patterns/structural/decorator.py) | wrap functionality with other functionality in order to affect outputs |
 | [facade](patterns/structural/facade.py) | use one class as an API to a number of others |
-| [flyweight](patterns/structural/flyweight__py3.py) | transparently reuse existing instances of objects with similar/identical state |
+| [flyweight](patterns/structural/flyweight.py) | transparently reuse existing instances of objects with similar/identical state |
 | [front_controller](patterns/structural/front_controller.py) | single handler requests coming to the application |
 | [mvc](patterns/structural/mvc.py) | model<->view<->controller (non-strict relationships) |
 | [proxy](patterns/structural/proxy.py) | an object funnels operations to something else |
@@ -37,7 +37,7 @@ __Behavioral Patterns__:
 
 | Pattern | Description |
 |:-------:| ----------- |
-| [chain_of_responsibility](patterns/behavioral/chain_of_responsibility__py3.py) | apply a chain of successive handlers to try and process the data |
+| [chain_of_responsibility](patterns/behavioral/chain_of_responsibility.py) | apply a chain of successive handlers to try and process the data |
 | [catalog](patterns/behavioral/catalog.py) | general methods will call different specialized methods based on construction parameter |
 | [chaining_method](patterns/behavioral/chaining_method.py) | continue callback next object method |
 | [command](patterns/behavioral/command.py) | bundle a command and arguments to call later |
@@ -46,7 +46,7 @@ __Behavioral Patterns__:
 | [memento](patterns/behavioral/memento.py) | generate an opaque token that can be used to go back to a previous state |
 | [observer](patterns/behavioral/observer.py) | provide a callback for notification of events/changes to data |
 | [publish_subscribe](patterns/behavioral/publish_subscribe.py) | a source syndicates events/data to 0+ registered listeners |
-| [registry](patterns/behavioral/registry__py3.py) | keep track of all subclasses of a given class |
+| [registry](patterns/behavioral/registry.py) | keep track of all subclasses of a given class |
 | [specification](patterns/behavioral/specification.py) |  business rules can be recombined by chaining the business rules together using boolean logic |
 | [state](patterns/behavioral/state.py) | logic is organized into a discrete number of potential states and the next state that can be transitioned to |
 | [strategy](patterns/behavioral/strategy.py) | selectable operations over the same data |
@@ -69,7 +69,7 @@ __Others__:
 
 | Pattern | Description |
 |:-------:| ----------- |
-| [blackboard](patterns/other/blackboard__py3.py) | architectural model, assemble different sub-system knowledge to build a solution, AI approach - non gang of four pattern |
+| [blackboard](patterns/other/blackboard.py) | architectural model, assemble different sub-system knowledge to build a solution, AI approach - non gang of four pattern |
 | [graph_search](patterns/other/graph_search.py) | graphing algorithms - non gang of four pattern |
 | [hsm](patterns/other/hsm/hsm.py) | hierarchical state machine - non gang of four pattern |
 
@@ -107,7 +107,7 @@ In some cases class-level docstring with doctest would also help (see [adapter.p
 but readable OUTPUT section is much better.
 
 
-##### Python2 compatibility
+##### Python 2 compatibility
 To see Python 2 compatible versions of some patterns please check-out the [legacy](https://github.com/faif/python-patterns/tree/legacy) tag.
 
 ##### Update README