Unify timeouts throughout our classes

[mnmkng]

PuppeteerCrawler

• gotoFunction has a constant timeout inside, which can be overridden by overriding the function.
• handlePageFunction has its own timeout.

CheerioCrawler

• prepareRequestFunction does not have a timeout.
• handlePageFunction has its own timeout.

BasicCrawler

• handleRequestFunction has its own timeout. When using Puppeteer or Cheerio, the timeout is set to a multiple of their handlePageFunction.
• handleFailedRequestFunction does not have a timeout.

AutoscaledPool

• has no timeouts.

PuppeteerPool

• has puppeteerOperationsTimeoutSecs for puppeteer related stuff.

It's a mess.