Create sysadmin's home directory and update .gitignore files.

home/sysadmin/.gitconfig

@@ -0,0 +1,27 @@
+[user]
+	name = Darren 'Tadgy' Austin
+	email = darren@afterdark.org.uk
+[color]
+	branch = auto
+	diff = auto
+	grep = auto
+	interactive = auto
+	showBranch = auto
+	status = auto
+	ui = auto
+[credential]
+	username = tadgy
+	helper = cache --timeout 2592000
+[commit]
+	verbose = 1
+[push]
+	autoSetupRemote = true
+[alias]
+	c = commit
+	co = checkout
+	d = diff
+	lsut = ls-files --others --exclude-standard --directory --error-unmatch -- ':/*'
+	p = push
+	s = status
+[init]
+	defaultBranch = master