diff --git a/.gitignore b/.gitignore
index d7b017bc8..5979e6a6e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -13,6 +13,7 @@
 /.gradle/
 /.settings/org.eclipse.buildship.core.prefs
 /build/
+com.ibm.wala.*/out/
 com.ibm.wala.cast.java.jdt.test/
 com.ibm.wala.cast.java.polyglot/lib/
 com.ibm.wala.cast.java.test.data/src/JLex/
diff --git a/.idea/.gitignore b/.idea/.gitignore
new file mode 100644
index 000000000..3b866ed2d
--- /dev/null
+++ b/.idea/.gitignore
@@ -0,0 +1,2 @@
+/gradle.xml
+/workspace.xml
diff --git a/.idea/.name b/.idea/.name
new file mode 100644
index 000000000..f15c23b30
--- /dev/null
+++ b/.idea/.name
@@ -0,0 +1 @@
+com.ibm.wala
\ No newline at end of file
diff --git a/.idea/misc.xml b/.idea/misc.xml
new file mode 100644
index 000000000..12c099175
--- /dev/null
+++ b/.idea/misc.xml
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ExternalStorageConfigurationManager" enabled="true" />
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" default="false" project-jdk-name="Java 1.8" project-jdk-type="JavaSDK">
+    <output url="file://$PROJECT_DIR$/out" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
new file mode 100644
index 000000000..94a25f7f4
--- /dev/null
+++ b/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 16d28051c..e6a30918e 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.7-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.7-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists