Updates several .gitignore files.

Ran into these when compiling (generated files from kudu),
eclipse setup, and testing.

Change-Id: Ife446e40756864f2a19ae4393ac503d17d91996b
Reviewed-on: http://gerrit.cloudera.org:8080/7902
Reviewed-by: Michael Brown <mikeb@cloudera.com>
Reviewed-by: Michael Ho <kwho@cloudera.com>
Tested-by: Impala Public Jenkins

.gitignore

@@ -38,9 +38,8 @@ Testing/
 llvm-ir/
 shell/gen-py/
 shell/build/
-tests/build
-tests/results
-tests/test-hive-udfs/target/
+benchmark_results*.json
+target
 
 avro_schemas/
 logs/

be/.gitignore

@@ -6,6 +6,11 @@ build
 generated-sources/**/*
 src/common/version.cc
 src/kudu/util/protoc-gen-insertions
+src/kudu/rpc/protoc-gen-krpc
+*.proxy.h
+*.proxy.cc
+*.service.h
+*.service.cc
 *.pb.h
 *.pb.cc
 

fe/.gitignore

@@ -4,6 +4,7 @@ target
 .classpath
 .settings
 .project
+*.launch
 
 # IntelliJ artifacts
 .idea

testdata/.gitignore

@@ -19,7 +19,7 @@ target
 HBaseAllTypesError
 HBaseAllTypesErrorNoNulls
 
-# Impala test data (not in repo, manually copied)
+# Impala test data (not in repo, manually copied or linked)
 impala-data
 data/test-warehouse
 

tests/.gitignore

@@ -1,3 +1,8 @@
 results
 build
 aux_*
+.cache
+results
+test-hive-udfs/target/
+resource_management
+