Okay, a zillion posts being answered all in one.
The applications on the spreadsheet are the ones that were sent directly from Mississauga to London. Anything that went via Islamabad and was later transferred to London is not included on the spreadsheet. "Standard countries" refers to the applications that would have gone through London anyway - that is, applications made by Brits, Swedish, Irish, etc.
Resources get shuffled around as required. Everything slows down in January because a load of streams re-open, not just IEC. This includes Express Entry, Grandparent Sponsorship, and so on.
Sometimes it goes to the back, and sometimes it does not. Hard to say. Your best indication is to look at the spreadsheet. The Notes column shows where people have had additional requests (info, documents, etc); you can see how their timelines have or have not varied.
I would put it in CAD. Use the current exchange rate. On a separate sheet of paper, write out your calculation, something like:
Original earning in GBP: £50,000
Exchange rate used: 1.90 on 3-Feb-2015
CAD equivalent: $94,822
(all figures fictional just for the purposes of illustration!)
The child is probably already Canadian and therefore does not need to be included. Canadian children are not included on the application form at all.
There has been a lot of debate about this. If you leave Canada right after you file your application then CIC may -- MAY -- get grumpy about it - you would have only just qualified, so you'd need to be 100% sure that they will deem your one-year living together as sufficient. Most people who aren't living together have qualified as common-law for awhile, which CIC does allow. Of course, the shorter the relationship and common-law status, the riskier it is. Given that you are right on the cusp, I would suggest either staying in Canada as a visitor, having your boyfriend accompany you to the UK, or getting married and applying as a married couple, where living apart is not taken into (as much) consideration.
If you must live separately, I would suggest trying to remain living together until you at least have sponsor approval through. Alternatively, consider applying inland (then you will definitely not be able to go back to the UK) and you can get a work permit after 4 months, as long as you are fine for the actual PR to take over two years to be in hand.
Sue CIC? For what? Forget that. That's ridiculous. You are in a lineup with hundreds of other people. Relax.
I know you have been waiting for ages, but you are from a non-visa-exempt country and those applications do take a lot longer. The thing is that now your application has been in London for 13 months, which is over their advertised 11, so all you can do is email them to ask for an update. But you have already gotten your MP involved, and you have your case notes, so there's not much more you can do for now but continue to wait.
They aren't out to get you, they aren't holding your application back as a joke - it is an official immigration process and for some people it takes a long time, and for some people it takes a very long time. It's possible there are flags in your application. It's possible that your background checks are completed, but came back with flags, so further checks are required.
Yes it's frustrating, but there isn't much you can do but continue to wait. Give it 2-3 weeks and then chase up with an email again. Badgering them won't accomplish anything since you already have your notes, and you've already gotten your MP involved.
They will ask for the whole passport, in colour, all pages, front and back, including the blank ones. Your photocopies should make their own 'full passport'.