ENH: Use explicit arguments in DataFrameGroupBy.describe

[rhshadrach]

Currently DataFrameGroupBy.describe uses **kwargs instead of explicit arguments. These eventually get passed to DataFrame.describe. We should use explicit arguments, those from DataFrame.describe, instead.

[dullibri]

take

[asadullahnaeem]

@dullibri if you are not working on this I would like to take it.

[dullibri]

Here you go!

[asadullahnaeem]

@rhshadrach I will be working on this issue. I might need your help.

[dullibri]

I think I was actually pretty close. However, the signature would not change always showing kwargs.

[telferm57]

@dullibri could you 'take', so issue shows as assigned ?

[dullibri]

@telferm57 read the message above pls.

[asadullahnaeem]

take