improving Beach docs, closes #733
fixes broken links add Tsuboi2004 to citations (fixes #731)
fixes parsing WADL of seismicportal.eu (fixes #727)
correcting filter docstrings

closes #723
adapting timeout and error message for fdsn.client

thx to Chad:
http://lists.swapbytes.de/archives/obspy-users/2014-February/001200.html
Merge branch 'releases'

Conflicts:
	obspy/fdsn/client.py