Fix some npm install ugliness

Author: paularmstrong

CONTRIBUTING.md

@@ -33,6 +33,12 @@ $ cd swig
 $ make
 ```
 
+```sh
+# Ensure your $NODE_PATH is set
+# Place this in your ~/.bash_profile
+export NODE_PATH=$(npm -g root 2>/dev/null)
+```
+
 ```sh
 # Run the documentation test environment
 $ make docs

Makefile

@@ -10,7 +10,9 @@ BIN = node_modules/.bin
 PWD = $(shell pwd | sed -e 's/[\/&]/\\&/g')
 
 all:
-	@npm install -d
+	@echo "Installing packages"
+	@npm install --depth=100 --loglevel=error
+	@npm link &>/dev/null
 	@cp scripts/githooks/* .git/hooks/
 	@chmod -R +x .git/hooks/
 

package.json

@@ -18,16 +18,15 @@
   },
   "author": "Paul Armstrong <[email protected]>",
   "dependencies": {
-    "uglify-js": "~2.3",
-    "optimist": "~0.6.0"
+    "uglify-js": "2.4.0",
+    "optimist": "0.6.0"
   },
   "devDependencies": {
     "lodash": "~1.3.1",
     "express": "~3",
     "nodelint": "~0.6",
     "mocha": "1.12.0",
     "expect.js": "~0.2",
-    "swig": "~1",
     "still": "0.0.7",
     "less": "~1.4",
     "mocha-phantomjs": "~3.1",