Minor changes to HD 20782 and HD 20781. Reference:
http://arxiv.org/abs/astro-ph/0610623
Typo correct. Thanks to Matthew Wright.
Updated transit data. Source http://arxiv.org/abs/1212.3701
Tau Ceti added as a controversial signal. Source:
http://arxiv.org/pdf/1212.4277v1.pdf
Image for tau_ceti added. Source:
http://star-www.herts.ac.uk/~hraj/tauceti/
Modified cleanup script to strip whitespaces.
Added discovery year to HS 142 c. Source:
http://arxiv.org/pdf/1205.2765v2.pdf