Update the plugins managment. Add the function 'omz-plugin' (inspired from bash-it)

plugins/available/branch/branch.plugin.zsh

@@ -0,0 +1,31 @@
+# Branch: displays the current Git or Mercurial branch fast.
+# Victor Torres <vpaivatorres@gmail.com>
+# Oct 2, 2015
+
+function branch_prompt_info() {
+  # Defines path as current directory
+  local current_dir=$PWD
+  # While current path is not root path
+  while [[ $current_dir != '/' ]]
+  do
+    # Git repository
+    if [[ -d "${current_dir}/.git" ]]
+    then
+      echo '±' ${"$(<"$current_dir/.git/HEAD")"##*/}
+      return;
+    fi
+    # Mercurial repository
+    if [[ -d "${current_dir}/.hg" ]]
+    then
+      if [[ -f "$current_dir/.hg/branch" ]]
+      then
+        echo '☿' $(<"$current_dir/.hg/branch")
+      else
+        echo '☿ default'
+      fi
+      return;
+    fi
+    # Defines path as parent directory and keeps looking for :)
+    current_dir="${current_dir:h}"
+  done
+}