Deprecate parameter skiprows to skip_rows (Will be removed in v0.20.0)

[yvonnefroehlich]

Description of proposed changes

Use underscores between words in parameter names; related to #2014.

Preview:

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[seisman]

This is a common parameter. Do we really want to deprecate it?

[yvonnefroehlich]

This is a common parameter. Do we really want to deprecate it?

Hm, skiprows is used in five functions, which is not optimal. "skip" and "rows" are short words, so readability should be OK without an underscore. So, probably better to keep it as is.