ADD: added new version of protobuf

libs/protobuf/.gitignore

@@ -1,24 +1,29 @@
-# CMake-generated files
-.ninja_deps
-.ninja_logs
-cmake/protobuf/*.cmake
-cmake_install.cmake
-CMakeCache.txt
-CTestTestfile.cmake
-CMakeFiles/*
-Testing/Temporary/*
+# autogen.sh-generated files
+Makefile.in
+src/Makefile.in
+config.guess
+config.h.in
+config.sub
+configure
+depcomp
+install-sh
+ltmain.sh
+missing
 
-/core
-/protoc
-/test_plugin
-/tests
-/lite-test
-/protoc-*.*
+aclocal.m4
+m4/libtool.m4
+m4/ltoptions.m4
+m4/ltsugar.m4
+m4/ltversion.m4
+m4/lt~obsolete.m4
+autom4te.cache
 
 # downloaded files
 /gmock
 
 # in-tree configure-generated files
+Makefile
+src/Makefile
 /config.h
 config.log
 config.status
@@ -33,8 +38,8 @@ stamp-h1
 *.o
 *.lo
 *.la
+src/.libs
 *.so
-*.a
 
 .dirstamp
 
@@ -55,6 +60,8 @@ python/build/
 python/docs/_build/
 
 src/js_embed
+src/protoc
+src/unittest_proto_middleman
 
 # vim generated
 *.swp