chore: make npm dependencies fixed

We are gonna depend on single version and test it.
This means we need to update deps manually, but it's not gonna break people.

Based on https://groups.google.com/forum/?fromgroups=#!topic/testacular/fumqhOAEH3s

package.json

@@ -50,25 +50,25 @@
     "Kevin Ortman <[email protected]>"
   ],
   "dependencies": {
-    "socket.io": ">= 0.9.0",
-    "chokidar": ">=0.5.1",
-    "glob": ">=3.1.14",
-    "minimatch": ">=0.2.5",
-    "http-proxy": ">=0.8.2",
-    "optimist": ">= 0.3.5",
-    "coffee-script": ">= 1.3.3",
-    "xmlbuilder": ">= 0.4.2",
-    "rimraf": ">= 2.0.2",
-    "q": ">= 0.8.9",
-    "LiveScript": ">= 1.0.1",
-    "colors": "~0.6.0-1",
-    "dateformat": ">= 1.0.2-1.2.3",
+    "socket.io": "0.9.0",
+    "chokidar": "0.5.3",
+    "glob": "3.1.14",
+    "minimatch": "0.2.5",
+    "http-proxy": "0.8.2",
+    "optimist": "0.3.5",
+    "coffee-script": "1.3.3",
+    "xmlbuilder": "0.4.2",
+    "rimraf": "2.0.2",
+    "q": "0.8.9",
+    "LiveScript": "1.0.1",
+    "colors": "0.6.0-1",
+    "dateformat": "1.0.2-1.2.3",
     "istanbul": "0.1.22",
-    "lodash": "~0.9.1",
-    "growly": "~1.1.0",
-    "pause": ">= 0.0.1",
-    "mime": ">= 1.2.7",
-    "log4js": "~0.5.6"
+    "lodash": "0.9.1",
+    "growly": "1.1.0",
+    "pause": "0.0.1",
+    "mime": "1.2.7",
+    "log4js": "0.5.6"
   },
   "devDependencies": {
     "grunt": "~0.4.0rc5",