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

.gitignore

diff --git a/.gitignore b/.gitignore
index 3938196..f0f1f29 100644
--- a/.gitignore
+++ b/.gitignore
@@ -16,6 +16,7 @@
 m4/ltsugar.m4
 m4/ltversion.m4
 m4/lt~obsolete.m4
+autom4te.cache
 
 # downloaded files
 gtest
@@ -61,3 +62,13 @@
 src/testzip.*
 src/zcg*zip
 ar-lib
+
+test-driver
+compile
+
+src/**/*.log
+src/**/*.trs
+
+# JavaBuild output.
+java/target
+javanano/target