Backup installation instructions

related: issue #1

Also, conform the Stata syntax to convention.

README.md

@@ -16,13 +16,13 @@ Installation
 
 In Stata:
 ```
-net search svmachines
+. net search svmachines
 ```
 will let you find this wrapper. To install the currently published copy from the Stata archive, this means doing
 
 ```
-net sj 16-4
-net install st0461
+. net sj 16-4
+. net install st0461
 ```
 
 But as it is only a wrapper, so you need to install [libsvm](http://www.csie.ntu.edu.tw/~cjlin/libsvm/) too:
@@ -43,6 +43,15 @@ On Windows, libsvm is bundled with this package, because dependency tracking is
 * Redhat/Fedora: `yum install libsvm` (**UNTESTED**)
 * You can manually [download](http://www.csie.ntu.edu.tw/~cjlin/cgi-bin/libsvm.cgi?+http://www.csie.ntu.edu.tw/~cjlin/libsvm+tar.gz) and follow the [build instructions](https://github.com/cjlin1/libsvm).
 
+Alternate Installation
+----------------------
+
+If the published [Stata Journal](https://www.stata-journal.com/) [copy](https://www.stata-journal.com/software/sj16-4/st0461.pkg) isn't working for you, you can also install directly out of this repository. Get [svmachines.zip](svmachines.zip) get unzip it somewhere, say `/tmp/stata_install/` and make sure that creates `/tmp/stata_install/svmachines.pkg` as well as the folder `/tmp/stata_install/svmachines/`. Then, in Stata, do
+
+```
+. net use /tmp/stata_install
+. net install svmachines
+```
 
 Usage
 -----