Changed the high-level framework back.

This ended up causing name collisions when running the tests.

play-activate-mysql/benchmark_config

@@ -1,5 +1,5 @@
 {
-  "framework": "play2",
+  "framework": "play-activate-mysql",
   "tests": [{
     "default": {
       "setup_file": "setup",

play-java-jpa/benchmark_config

@@ -1,5 +1,5 @@
 {
-  "framework": "play2",
+  "framework": "play",
   "tests": [{
     "jpa": {
       "setup_file": "setup",

play-scala-mongodb/benchmark_config

@@ -1,5 +1,5 @@
 {
-  "framework": "play2",
+  "framework": "play-scala-mongodb",
   "tests": [{
     "mongodb": {
       "setup_file": "setup",

play-scala/benchmark_config

@@ -1,5 +1,5 @@
 {
-  "framework": "play2",
+  "framework": "play-scala",
   "tests": [{
     "default": {
       "setup_file": "setup",

play-slick/benchmark_config

@@ -1,5 +1,5 @@
 {
-  "framework": "play2",
+  "framework": "play-slick",
   "tests": [{
     "default": {
       "setup_file": "setup",