Move to new ProjectDataManager introduced in 2017.2, fixes #209

Move to ideaVersion 172.1909-EAP-CANDIDATE-SNAPSHOT due to an issue with 172-SNAPSHOT

Author: DenWav

build.gradle.kts

@@ -119,7 +119,7 @@ dependencies {
 
 intellij {
     // IntelliJ IDEA dependency
-    version = "IC-$ideaVersion"
+    version = ideaVersion
     // Bundled plugin dependencies
     setPlugins("maven", "gradle", "Groovy",
         // needed dependencies for unit tests

gradle.properties

@@ -8,7 +8,7 @@
 # MIT License
 #
 # suppress inspection "UnusedProperty" for whole file
-ideaVersion = 172-SNAPSHOT
+ideaVersion = 172.1909-EAP-CANDIDATE-SNAPSHOT
 javaVersion = 1.8
 kotlinVersion = 1.1.1
 

src/main/kotlin/com/demonwav/mcdev/buildsystem/gradle/GradleBuildSystem.kt

@@ -35,7 +35,7 @@ import com.intellij.openapi.command.WriteCommandAction
 import com.intellij.openapi.components.ServiceManager
 import com.intellij.openapi.externalSystem.service.execution.ExternalSystemJdkUtil
 import com.intellij.openapi.externalSystem.service.execution.ExternalSystemRunConfiguration
-import com.intellij.openapi.externalSystem.service.project.manage.ProjectDataManager
+import com.intellij.openapi.externalSystem.service.project.ProjectDataManager
 import com.intellij.openapi.fileEditor.FileDocumentManager
 import com.intellij.openapi.module.Module
 import com.intellij.openapi.progress.ProgressIndicator