provide an initial set of .gitignore files

.gitignore

@@ -0,0 +1,38 @@
+.deps
+.libs
+*.lib
+*.pdb
+*.dll
+*.exe
+*.obj
+.*.swp
+Debug
+Release
+*.exp
+Makefile
+Makefile.in
+aclocal.m4
+autom4te.cache
+config.guess
+config.log
+config.status
+config.sub
+configure
+depcomp
+libtool
+ltmain.sh
+compile
+curl-config
+libcurl.pc
+missing
+curl-*.tar.gz
+INSTALL
+install-sh
+*.o
+*.lo
+*.la
+mkinstalldirs
+tags
+libssh2.pc
+*~
+aclocal.m4.bak