New git dotfiles for independant repository

This will make git review workflow work within this role
This will also prevent undesired files.

Change-Id: I651b2cc1bdac9cef4803925efb3956c1cc1adf6b

.gitignore

@@ -0,0 +1,59 @@
+# Compiled source #
+###################
+*.com
+*.class
+*.dll
+*.exe
+*.o
+*.so
+*.pyc
+build/
+dist/
+doc/build/
+
+# Packages #
+############
+# it's better to unpack these files and commit the raw source
+# git has its own built in compression methods
+*.7z
+*.dmg
+*.gz
+*.iso
+*.jar
+*.rar
+*.tar
+*.zip
+
+# Logs and databases #
+######################
+*.log
+*.sql
+*.sqlite
+
+# OS generated files #
+######################
+.DS_Store
+.DS_Store?
+._*
+.Spotlight-V100
+.Trashes
+.idea
+.tox
+*.sublime*
+*.egg-info
+Icon?
+ehthumbs.db
+Thumbs.db
+.eggs
+
+# User driven backup files #
+############################
+*.bak
+
+# Generated by pbr while building docs
+######################################
+AUTHORS
+ChangeLog
+
+# Files created by releasenotes build
+releasenotes/build

.gitreview

@@ -0,0 +1,4 @@
+[gerrit]
+host=review.openstack.org
+port=29418
+project=openstack/openstack-ansible-openstack_hosts.git