adds gitignore file

.gitignore

@@ -0,0 +1,52 @@
+acinclude.m4
+aclocal.m4
+allocator_test
+autom4te.cache
+build
+config.cache
+config.guess
+config.h
+config.h.in
+config.log
+config.nice
+config.status
+config.sub
+configure
+configure.in
+conftest
+conftest.c
+.deps
+devel.fpm
+devel.ini
+devel.php
+devel.pid
+.exvim.*
+.gdb_history
+htdocs/*/lang/*-merged
+htdocs/*/lang/*.pot
+include
+includes.i
+install-sh
+libtool
+ltmain.sh
+make
+Makefile
+Makefile.fragments
+Makefile.global
+Makefile.objects
+missing
+mkinstalldirs
+modules
+output.php
+prepare.cfg
+prepare.devel.inc
+run
+run.cfg
+run-tests.php
+structinfo.m4
+.svnignore
+tags
+xcache.exvim
+xc_processor.c
+xc_processor.h
+xc_processor.out.c