Finally get UIL working as a gradle library

The problem were the dashes in the path 'extern/Universal-Image-Loader'

.gitmodules

@@ -1,5 +1,5 @@
 [submodule "extern/Universal-Image-Loader"]
-	path = extern/Universal-Image-Loader
+	path = extern/UniversalImageLoader
 	url = https://github.com/nostra13/Android-Universal-Image-Loader
 	ignore = dirty
 [submodule "extern/MemorizingTrustManager"]

build.gradle

@@ -21,7 +21,7 @@ android {
 	sourceSets {
 		main {
 			manifest.srcFile 'AndroidManifest.xml'
-			java.srcDirs = ['src', 'extern/Universal-Image-Loader/library/src']
+			java.srcDirs = ['src']
 			resources.srcDirs = ['src']
 			aidl.srcDirs = ['src']
 			renderscript.srcDirs = ['src']

settings.gradle

@@ -1 +1 @@
-include ':extern:AndroidPinning'
+include ':extern:AndroidPinning', ':extern:UniversalImageLoader'