Created .hgignore, removed all .gitignore files

This is not a direct translation, I added some things (e.g. *.pyd) and
removed things which are obsolete (e.g. localconfig.py)

Author: ThomasAH

.gitignore

@@ -0,0 +1,43 @@
+syntax: glob
+
+*.orig
+*.rej
+*~
+\#*\#
+.\#*
+*.swp
+*.tmp
+*.pyd
+*.pyc
+*.pyo
+build
+demo
+dist
+MANIFEST
+_test_*
+*.cover
+share/doc/roundup/html
+doc/FAQ.html
+doc/admin_guide.html
+doc/announcement.html
+doc/customizing.html
+doc/design.html
+doc/developers.html
+doc/features.html
+doc/glossary.html
+doc/implementation.html
+doc/index.html
+doc/installation.html
+doc/mysql.html
+doc/overview.html
+doc/postgresql.html
+doc/security.html
+doc/tracker_templates.html
+doc/upgrading.html
+doc/user_guide.html
+doc/whatsnew-0.7.html
+doc/whatsnew-0.8.html
+doc/xmlrpc.html
+locale/*.mo
+locale/*.bak
+locale/*.poedit