Update install options and include wget

README.md

@@ -4,12 +4,18 @@
 
 ## Installation
 
+`m` is a bash script which can be installed & updated via `npm` for convenience:
+
     $ npm install -g m
 
-or
+or installed by cloning the GitHub repo and running `make install`:
 
     $ git clone git://github.com/aheckmann/m.git && cd m && make install
 
+or fetched via `wget` and copied to a location of your choice:
+
+    $ wget https://raw.githubusercontent.com/aheckmann/m/master/bin/m && chmod +x ./m
+
 ### Downloading MongoDB Binaries
 
 Specify a MongoDB server version to try download a binary package (if available for your current O/S) or switch to a previously downloaded copy. After `m` successfully downloads or switches to a specified version of MongoDB, those binaries will become the default in the install path (typically `/usr/local/bin/`; see _Details_ below for more information).