Update version numbers to 8.0. (#122)

Author: jrobble

detection/examples/AudioOnlyComponent/plugin-files/descriptor/descriptor.json

@@ -1,7 +1,7 @@
 {
   "componentName": "AudioOnlyComponent",
-  "componentVersion": "7.2",
-  "middlewareVersion": "7.2",
+  "componentVersion": "8.0",
+  "middlewareVersion": "8.0",
   "sourceLanguage": "c++",
   "batchLibrary": "${MPF_HOME}/plugins/AudioOnlyComponent/lib/libmpfAudioOnly.so",
   "environmentVariables": [

detection/examples/GenericComponent/plugin-files/descriptor/descriptor.json

@@ -1,7 +1,7 @@
 {
   "componentName": "GenericComponent",
-  "componentVersion": "7.2",
-  "middlewareVersion": "7.2",
+  "componentVersion": "8.0",
+  "middlewareVersion": "8.0",
   "sourceLanguage": "c++",
   "batchLibrary": "${MPF_HOME}/plugins/GenericComponent/lib/libmpfGeneric.so",
   "environmentVariables": [

detection/examples/HelloWorldComponent/plugin-files/descriptor/descriptor.json

@@ -1,7 +1,7 @@
 {
   "componentName": "HelloWorldComponent",
-  "componentVersion": "7.2",
-  "middlewareVersion": "7.2",
+  "componentVersion": "8.0",
+  "middlewareVersion": "8.0",
   "sourceLanguage": "c++",
   "batchLibrary": "${MPF_HOME}/plugins/HelloWorldComponent/lib/libmpfHelloWorld.so",
   "streamLibrary": "${MPF_HOME}/plugins/HelloWorldComponent/lib/libmpfStreamingHelloWorld.so",

detection/examples/ImageTransformerComponent/plugin-files/descriptor/descriptor.json

@@ -1,7 +1,7 @@
 {
   "componentName": "ImageTransformerComponent",
-  "componentVersion": "7.2",
-  "middlewareVersion": "7.2",
+  "componentVersion": "8.0",
+  "middlewareVersion": "8.0",
   "sourceLanguage": "c++",
   "batchLibrary": "${MPF_HOME}/plugins/ImageTransformerComponent/lib/libmpfImageTransformer.so",
   "environmentVariables": [

detection/examples/VideoCaptureComponent/plugin-files/descriptor/descriptor.json

@@ -1,7 +1,7 @@
 {
   "componentName": "VideoCaptureComponent",
-  "componentVersion": "7.2",
-  "middlewareVersion": "7.2",
+  "componentVersion": "8.0",
+  "middlewareVersion": "8.0",
   "sourceLanguage": "c++",
   "batchLibrary": "${MPF_HOME}/plugins/VideoCaptureComponent/lib/libmpfVideoCapture.so",
   "environmentVariables": [