Merge pull request #49 from fayshaw/feature/boston

This adds the Boston website repo as a submodule, following Amsterdams pattern.

Author: BethanyG

.gitmodules

@@ -45,4 +45,8 @@
 [submodule "amsterdam"]
 	path = amsterdam
 	url = https://github.com/pyladies/pyladies-amsterdam-website
-	branch = gh-pages
+	branch = gh-pages
+[submodule "boston"]
+	path = boston
+	url = https://github.com/pyladies/pyladies-boston-website
+	branch = gh-pages