Merge pull request #203 from pherl/gitignore

Add java compiled targets and several tests target into .gitignore.

.gitignore

@@ -16,6 +16,7 @@ m4/ltoptions.m4
 m4/ltsugar.m4
 m4/ltversion.m4
 m4/lt~obsolete.m4
+autom4te.cache
 
 # downloaded files
 gtest
@@ -61,3 +62,13 @@ src/test_plugin
 src/testzip.*
 src/zcg*zip
 ar-lib
+
+test-driver
+compile
+
+src/**/*.log
+src/**/*.trs
+
+# JavaBuild output.
+java/target
+javanano/target