Making local cache of SWT libraries; bumping to SWT 4.17 for everything

but the Raspberry Pi. Seems to resolve the NPE! #49.

build.gradle

@@ -7,13 +7,9 @@ plugins {
 
 repositories {
     mavenCentral()
-    maven {
-        // SWT libraries (historical, need a better site)
-        url "http://maven-eclipse.github.io/maven"
-    }
     flatDir {
-        // SWT libraries (hand-generated SWT for Pi)
-        dirs "./rpi-lib"
+        // SWT libraries
+        dirs "./swt-lib"
     }
 }
 

gradle.properties

@@ -7,7 +7,7 @@ version=1.7.0pre
 shkVersion=1.2.2
 asVersion=1.2.1
 btVersion=0.3.1
-swtVersion=4.6.1
+swtVersion=4.17
 piswtVersion=3.8.2
 junitVersion=4.12
 antVersion=1.8.2