Changes are now collected with commiter dates instead of author dates.

This is probably what we want, because it reflects when an actual change
was officially committed/pushed up.

changes.py

@@ -96,7 +96,7 @@ class AuthorInfo:
 class Changes:
 	def __init__(self, hard):
 		self.commits = []
-		git_log_r = subprocess.Popen("git log --pretty=\"%ad|%H|%aN|%s\" --stat=100000,8192 --no-merges -w " +
+		git_log_r = subprocess.Popen("git log --pretty=\"%cd|%H|%aN|%s\" --stat=100000,8192 --no-merges -w " +
 		                             interval.get_since() + interval.get_until() +
 		                             "{0} --date=short".format("-C -C -M" if hard else ""),
 		                             shell=True, bufsize=1, stdout=subprocess.PIPE).stdout