github: DEPRECATE my.coding.github

Instead my.github.all should be used (still backward compatible)

The reasons are
a) I don't feel that grouping (i.e. my.coding.*) makes much sense
b) using .all pattern (same way as twitter) allows for more composable and cleaner separation of GDPR and API data

my/coding/github.py

@@ -0,0 +1,8 @@
+import warnings
+
+warnings.warn('my.coding.github is deprecated! Please use my.github.all instead!', DeprecationWarning)
+
+from ..github.all import events, get_events
+
+# todo deprecate properly
+iter_events = events