Eclipse file generation script

Simple python script to generate the .project and .classpath files
for eclipse. The script bundles all jar dependencies into a single
jar file, collects all auto-generated java files into a single
source folder and adds them to the eclipse classpath.

third_party/java/dagger/BUILD

@@ -27,6 +27,7 @@ java_library(
 java_library(
     name = "dagger-compiler",
     exports = ["@dagger_compiler//jar"],
+    visibility = ["//visibility:public"],
     runtime_deps = [
         "@gson//jar",
         "@guava//jar",