Give gradle projects more human-friendly names

This simplifies tapas support, and should make working
with GmsCore in Android Studio easier

Change-Id: I5784c5ef540e6f74145b83c2d60fd06c503d0ca8
diff --git a/build.gradle b/build.gradle
index 25c1608..1bf8e56 100644
--- a/build.gradle
+++ b/build.gradle
@@ -9,5 +9,5 @@
 }
 
 dependencies {
-    compile project(':external:jsr305')
+    compile project(':jsr305')
 }