edited Install.md

INSTALL.md

@@ -2,24 +2,19 @@
 
 Cloning from github:
 ```
-git clone https://github.com/smithlabcode/dme.git
+git clone --recursive https://github.com/smithlabcode/dme.git
 ```
 If you have the tar.gz file:
 
 ```
 tar -zxvf dme2_X.X.X.gz
 ```
 
-Locate the smithlab_cpp directory (usually present inside the dme root directory).
-In terminal type:
-
-```
-export SMITHLAB_CPP=/path_to_dme2/dme2/smithlab_cpp
-```
+Note: Make sure that smithlab_cpp directory is present inside the dme root directory.
 
 To compile dme2, enter the program's root directory and execute
 ```
 make
 ```
-After successful compilation, dme2 binary can be found in the dme root directory. 
+After successful compilation, dme2 binary can be found in the dme root directory.
 See instructions in README.txt about how to run dme2.