Revert "chore: update pubspec.lock"

This reverts commit a157cb2.

This commit did not pass Travis.

Author: jbdeboer

pubspec.lock

@@ -12,7 +12,7 @@ packages:
   barback:
     description: barback
     source: hosted
-    version: "0.14.2"
+    version: "0.14.1+3"
   benchmark_harness:
     description: benchmark_harness
     source: hosted
@@ -24,55 +24,55 @@ packages:
   code_transformers:
     description: code_transformers
     source: hosted
-    version: "0.1.6"
+    version: "0.1.5"
   collection:
     description: collection
     source: hosted
     version: "0.9.4"
   di:
     description: di
     source: hosted
-    version: "2.0.2"
+    version: "2.0.1"
   guinness:
     description: guinness
     source: hosted
-    version: "0.1.14"
+    version: "0.1.9"
   html5lib:
     description: html5lib
     source: hosted
     version: "0.10.0"
   intl:
     description: intl
     source: hosted
-    version: "0.11.6"
+    version: "0.8.10+4"
   js:
     description: js
     source: hosted
     version: "0.2.2"
   logging:
     description: logging
     source: hosted
-    version: "0.9.2"
+    version: "0.9.1+1"
   matcher:
     description: matcher
     source: hosted
-    version: "0.11.1"
+    version: "0.11.0"
+  meta:
+    description: meta
+    source: hosted
+    version: "0.8.8"
   mock:
     description: mock
     source: hosted
     version: "0.11.0+2"
   path:
     description: path
     source: hosted
-    version: "1.3.0"
+    version: "1.2.1"
   perf_api:
     description: perf_api
     source: hosted
     version: "0.0.9"
-  pool:
-    description: pool
-    source: hosted
-    version: "1.0.1"
   protractor:
     description: protractor
     source: hosted
@@ -84,11 +84,7 @@ packages:
   source_maps:
     description: source_maps
     source: hosted
-    version: "0.9.4"
-  source_span:
-    description: source_span
-    source: hosted
-    version: "1.0.0"
+    version: "0.9.3"
   stack_trace:
     description: stack_trace
     source: hosted
@@ -100,11 +96,11 @@ packages:
   unittest:
     description: unittest
     source: hosted
-    version: "0.11.0+5"
+    version: "0.11.0+3"
   utf:
     description: utf
     source: hosted
-    version: "0.9.0+1"
+    version: "0.9.0"
   web_components:
     description: web_components
     source: hosted