Fix source code links
Fix blockquotes in documentation; stylize only in docinfo or immediately after an h1
Logo in SVG format.

This has been created using Inkscape, starting from a .png file created
by @PhilipWitte (see
http://reign-studios.net/philipwitte/nimrod/new-symbols.png, the third
icon from left in the top row).
Fix paragraph break issue in nimc.txt. Add spacing to command line options table.
Remove TOC from gc.txt, but get quote at top properly formatted
Update installation instruction
Merge pull request #1763 from ziotom78/devel

Logo in SVG format.
Merge pull request #1764 from boydgreenfield/further_doc_fixes

Further doc fixes
Merge pull request #1766 from gmpreussner/devel

Removed extra line breaks from unittest output.
Merge pull request #1767 from sanxiyn/patch-1

Update installation instruction
website updated
tuple field names are ignored
Merge branch 'devel' of https://github.com/Araq/Nimrod into devel
fixes a small bug concerning semicolons for top level statements
Fixes SSL AsyncSocket close problem. Ref #1769. Ref #1759.
documented 'defer' statement
fixes #1742
Merge branch 'devel' of https://github.com/Araq/Nimrod into devel
fixes #1776