Bump version to v0.8.0

Author: hsz

gradle.properties

@@ -3,7 +3,7 @@
 
 pluginGroup = org.jetbrains.plugins.template
 pluginName_ = IntelliJ Platform Plugin Template
-pluginVersion = 0.7.1
+pluginVersion = 0.8.0
 pluginSinceBuild = 201
 pluginUntilBuild = 203.*
 # Plugin Verifier integration -> https://github.com/JetBrains/gradle-intellij-plugin#plugin-verifier-dsl