Installation.md

@@ -32,6 +32,21 @@ Run the install script in the cloned repository
 ```
 If no version of `conda` is detected, it will install [miniconda](https://conda.io/miniconda.html), which we use for managing dependencies and creating a virtual environment for running ShakeMap. 
 
+To install with developer tools included, run the same install script but with the "-d" switch:
+```
+> bash install.sh -d
+```
+This will install these additional packages:
+ - ipython
+ - autopep8
+ - flake8
+ - pyflakes
+ - rope
+ - yapf
+ - sphinx
+ - sphinx-argparse
+
+
 If the script finishes without errors, then the final two lines of output will be
 ``` 
 Successfully installed shakemap
@@ -51,23 +66,5 @@ Last, activate the shakemap virtual environment
 ```
 > conda activate shakemap
 ```
-
-# Optional Installations
-The above instructions will install the minimum libraries required to run ShakeMap. For developers or system administrators, there are a number of additional packages that are useful for checking syntax, debugging, and building documentation. To install the optional software you will first want to execute the following command:
-```
-conda config --append channels conda-forge
-```
-We recommend the following optional installations:
-```
-conda install ipython \
-              autopep8 \
-              flake8 \
-              pyflakes \
-              rope \
-              yapf \
-              sphinx
-pip install sphinx-argparse
-```
-
 ---
 Next step: [Testing](testing)
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