Merge pull request #16 from alex-seville/master

Missing 'make' command from installation instructions in readme

Author: tj

Readme.md

@@ -4,7 +4,7 @@
 
 ## Installation
 
-    $ ./configure && make install
+    $ ./configure && make && make install
 
   Warning: the `jscoverage` npm module published
   by someone else does _not_ work, clone this repo.