bump version to 1.0

Breaking changes:
-`eps` argument renamed to `foreground`
- `Grid` no longer contains actual data (iem the data modified by draw_*
functions), only the metadata (edge positions, periodicity, etc.). Data
is now a user-managed ndarray.

gridlock/VERSION.py

@@ -1,4 +1,4 @@
 """ VERSION defintion. THIS FILE IS MANUALLY PARSED BY setup.py and REQUIRES A SPECIFIC FORMAT """
 __version__ = '''
-0.5
+1.0
 '''.strip()