Add realtime charts (master & chunkservers)

Fix issues pointed in comments
Clean .gitignore, disable config.h.in generation, write config.h.in
Merge branch 'lamvak-pullrequest' of github.com:camelon/lizardfs into lamvak-pullrequest
Merge branch 'master' of github.com:camelon/lizardfs into lamvak-pullrequest