add new command line options

[ltalirz]

• implement a few missing command line options
• update README.md
• include (commented) how to add radii file in submit.py example

[coveralls]

Pull Request Test Coverage Report for Build 37

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 906 unchanged lines in 9 files lost coverage.
• Overall coverage decreased (-0.7%) to 31.811%

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Files with Coverage Reduction	New Missed Lines	%
aiida_zeopp/tests/init.py	1	97.67%
/home/travis/virtualenv/python2.7.14/lib/python2.7/site-packages/aiida/orm/implementation/general/node.py	2	54.37%
/home/travis/virtualenv/python2.7.14/lib/python2.7/site-packages/aiida/cmdline/init.py	5	24.0%
/home/travis/virtualenv/python2.7.14/lib/python2.7/site-packages/cryptography/hazmat/backends/openssl/hashes.py	8	31.43%
/home/travis/virtualenv/python2.7.14/lib/python2.7/site-packages/aiida/common/setup.py	9	50.1%
/home/travis/virtualenv/python2.7.14/lib/python2.7/site-packages/cryptography/hazmat/backends/openssl/rsa.py	67	21.46%
/home/travis/virtualenv/python2.7.14/lib/python2.7/site-packages/cryptography/hazmat/backends/openssl/encode_asn1.py	123	13.11%
/home/travis/virtualenv/python2.7.14/lib/python2.7/site-packages/cryptography/hazmat/backends/openssl/decode_asn1.py	185	18.92%
/home/travis/virtualenv/python2.7.14/lib/python2.7/site-packages/cryptography/hazmat/backends/openssl/backend.py	506	20.99%
<!--	Total:	906		-->

Totals
Change from base Build 33:	-0.7%
Covered Lines:	58561
Relevant Lines:	184090

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💛 - Coveralls