Update build to use stable 2018.1 dependencies

Author: cedricziel

.travis.yml

@@ -20,7 +20,7 @@ before_install:
 - "export ORG_GRADLE_PROJECT_bladePluginVersion=${BLADE_PLUGIN_VERSION}"
 
 env:
-  - IDEA_VERSION="IU-181.4203.6" PHP_PLUGIN_VERSION="181.4096.20" BLADE_PLUGIN_VERSION="181.4096.20"
+  - IDEA_VERSION="IU-2018.1" PHP_PLUGIN_VERSION="181.4203.565" BLADE_PLUGIN_VERSION="181.4203.565"
   - IDEA_VERSION="IU-2017.3.5" PHP_PLUGIN_VERSION="173.4301.34" BLADE_PLUGIN_VERSION="173.4127.29"
 
 script:

gradle.properties

@@ -1,6 +1,6 @@
-ideaVersion = IU-2017.3.5
-phpPluginVersion = 173.4301.34
-bladePluginVersion = 173.4127.29
-#ideaVersion = IU-181.4203.6
-#phpPluginVersion = 181.4096.20
-#bladePluginVersion = 181.4096.20
+ideaVersion = IU-2018.1
+phpPluginVersion = 181.4203.565
+bladePluginVersion = 181.4203.565
+#ideaVersion = IU-2017.3.5
+#phpPluginVersion = 173.4301.34
+#bladePluginVersion = 173.4127.29