Update makeself to 2.2.0
Makefile: Add xz, gzip, bzip2, pbzip2, compress and complevel set to 9.

Now make self generate files:

3504kb i-nex.xz.run
4260kb i-nex.pbzip2.run
4372kb i-nex.bzip2.run
4720kb i-nex.gzip.run
7212kb i-nex.unixcompress.run

Remove: --nox11
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