Made a lot of changes: no more functions directory. All aliases have been moved to the new alias directory. Plugins are now for functions only. Updated the README to reflect the changes and add a contributor's list.

plugins/hg.plugins.bash

@@ -0,0 +1,14 @@
+#!/bin/bash
+hg_dirty() {
+    hg status --no-color 2> /dev/null \
+    | awk '$1 == "?" { print "?" } $1 != "?" { print "!" }' \
+    | sort | uniq | head -c1
+}
+
+hg_in_repo() {
+    [[ `hg branch 2> /dev/null` ]] && echo 'on '
+}
+
+hg_branch() {
+    hg branch 2> /dev/null
+}