WIP: Pimped docs

[miili]

Improvment on pyrocko docs, work in progress

[coveralls]

Coverage decreased (-0.2%) to 67.347% when pulling cc04f77 on docs into b5db4e8 on master.

[coveralls]

Coverage increased (+0.01%) to 70.613% when pulling 076d3f1 on docs into 707daa8 on master.

[coveralls]

Coverage increased (+0.01%) to 70.613% when pulling 076d3f1 on docs into 707daa8 on master.

[coveralls]

Coverage increased (+0.01%) to 70.613% when pulling 9177a57 on docs into 707daa8 on master.

[coveralls]

Coverage increased (+0.2%) to 70.832% when pulling 448901e on docs into 707daa8 on master.

[coveralls]

Coverage increased (+0.01%) to 70.613% when pulling 6090954 on docs into 707daa8 on master.