Change repositories order to use the right Kotlin dependency

A bogus pre-release of Kotlin 1.1.0-beta-17 seems to be
in Spring Artifactory cache, this change make Gradle using
the right one from Bintray. Using --refresh-dependencies
may be needed to pick-up the right one.

build.gradle

@@ -1,7 +1,7 @@
 buildscript {
 	repositories {
-		maven { url "https://repo.spring.io/plugins-snapshot" }
 		maven { url "http://dl.bintray.com/kotlin/kotlin-eap-1.1" }
+		maven { url "https://repo.spring.io/plugins-snapshot" }
 	}
 	dependencies {
 		classpath("org.springframework.build.gradle:propdeps-plugin:0.0.7")
@@ -170,10 +170,10 @@ configure(allprojects) { project ->
 	}
 
 	repositories {
-		maven { url "https://repo.spring.io/libs-snapshot" }
+		maven { url "http://dl.bintray.com/kotlin/kotlin-eap-1.1" }
 		maven { url "https://repo.spring.io/libs-release" }
 		maven { url "https://repo.spring.io/milestone" }
-		maven { url "http://dl.bintray.com/kotlin/kotlin-eap-1.1" }
+		maven { url "https://repo.spring.io/libs-snapshot" }
 	}
 
 	dependencies {