Add some consumables for kickstart 2012

This is for the stuff Alistair asked me to buy on the Friday evening
before kickstart.
Modified the .mailmap to add myself to it

The new mapping is <arplynn@gmail.com> → <alynn@studentrobotics.org>
Allocate funds for the notarisation of funding forms

The Motorola Foundation requires that the forms the SUSU fills out on
our behalf are signed by a notary.  We have to pay the notary, and
this patch adds a budget entry to cover this.

Modification accepted in this thread:
http://thread.gmane.org/gmane.science.robotics.srobo.general/993
Increase the emergency shipping fund

According to trac tickets[1] we spent £540.64 shipping kit to teams at
the start of the year. We also now need to spend £38.20 to ship a
replacement power board to EMM.

This patch covers the initial shipping costs, the cost of EMM's
replacement power board and gives us £71 for future shipping expenses.

[1] #929, #932, #933, #934

Modification accepted in this thread:
http://thread.gmane.org/gmane.science.robotics.srobo.general/1037
Update the cost of the arena carpet tiles.

The price previously quoted involved an offer that is no longer
available, and was also not for enough tiles. While we like to think
that the arena is 8*8, it's usually just larger than this. Allowing
an 8.5m square should cover this and give us enough spare should
some get damaged corners.
Add a budget item for a PPL licence to play music

Playing copyrighted works in public spaces (i.e. non-domestic) in the
UK requires a PPL licence.  I phoned PPL earlier to find out what we
needed to do.  They told me how much it'll cost.  This patch adds a
budget line that deals with this cost.

I checked with them whether there would be some pre-existing licence
that SUSU or the University has that we could use.  Apparently this is
not the case, as the SUSU has a different type of licence which is
in some way limited to specific events and/or tunes.

http://thread.gmane.org/gmane.science.robotics.srobo.general/1407
Fix a typo in the music-ppl budget file
Add a budget line for the Krakow hotel

SR owes me the money that Motorola paid for the hotel Alex and I
stayed in in Krakow.  See #850

Since this debt was not taken into account at the start of the year,
a budget line is required to fix everything!

Approved in
http://thread.gmane.org/gmane.science.robotics.srobo.general/1430
Update price of wristbands.

This change takes account of purchasing 300 wristbands, and a numbering
scheme being printed on them.

The price takes into account VAT and shipping.

Approved in
http://thread.gmane.org/gmane.science.robotics.srobo.general/1367/focus=1492
Moved £11.24 from 'prizes' to 'trophies'

Based on a quote from trophies2u.co.uk, we can get 5 glass trophies
and 8 mini star trophies (for team winners) for £121.24 -- this
brings the trophies budget line up to just that.
Reassign some of the generator budget line for tape

Don't know how we missed the most important item required for smooth
running of the comeptition!
Added VAT to the cableties, cost reclaimed from alu-angle

I'd not accounted for the fact VAT was not included in the cableties order. As
the alu-angle order was under the amount budgetted for, the extra cabletie
cost has been reclaimed from there.
Reallocate hardboard budget to pirate ships

We have several times more hardboard than we actually need for the
competition, as we are no longer using it for the floor of the arena.

There's no budget line for the pirate ships currently.  This patch
reallocates the funds that we had for the hardboard to the parts for
the pirate ships.

[budget-mod] thread:
http://thread.gmane.org/gmane.science.robotics.srobo.general/1442
(Note it was approved during the time the SC vote count was reduced to 3).
Reassign the generator budget to cabling

We are now reasonably sure we don't need a generator for Garden
Court.  This patch reallocates the funds from the generator to the
hire of both audio and power cables, and the purchase of some RCDs for
use with those cables.

I don't know what we would have done if we had hired a generator... I
mean there'd be no cabling to connect to it with :-O

Approved in:
http://thread.gmane.org/gmane.science.robotics.srobo.general/1734
Add a budget line for arena fixings

We need screws, screw-caps, (some) cable-ties for the arena.

Accepted in this thread:
http://article.gmane.org/gmane.science.robotics.srobo.general/1738
Assign funds to the parts for the bucket barrier

Rather obviously, we need money to create the bucket barrier.  We
determined that we didn't need to buy any additional cable ties (other
than the ones I've included in the arena fixings budget entry), so
this patch removes that, and assigns some of the result to the bucket
barrier.

Accepted in this thread:
http://article.gmane.org/gmane.science.robotics.srobo.general/1739
We didn't spend any money on the venue
Bring Arena Displays budget lines up to date with their actual cost
Add some glue used to put the tokens together
Migrate to using the budget library from tools.git

Since we're now interested in doing things like diffing between
versions of the budget, the format needs to stay relatively constant
throughout.  So it no longer makes sense to keep the budget API within
budget.git.  The API has been migrated to tools.git.

This patch keeps __init__.py so that things that use budget.git as a
submodule will continue to work for the time being.