Warp: rename API according to results of survey

There were discussion about Warp API method naming:

As a result, interesting options were selected and survey for choosing most natural and popular ones was opened:
https://docs.google.com/spreadsheet/viewform?formkey=dFlZeGI3ZklOUVlDX2M2V2owUkFmYVE6MQ

As a response, we got 8 answers with following results:

most favorite:
option #1: Warp .initiate(Activity) .observe(What) .inspect(Inspection);

followed by:
option #5: Warp .execute(ClientAction) .filter(Filter) .inspect(ServerInspection);

The complete overview of responses is attached in PDF.