PHPCS: Cleanup whitespace, constants and braces
structure flow in doc and sentences; reduce sidescroll in code
Improved documentation comments

- Consistent copyright (2012 -> 2013)
- Fixed incorrect license link
Don't show breadcrumbs if there is only one link
Changed sidebar menu style, dropped expand/collapse functionality (refs #4723)
Added preg_match() for generating link for 'uses constant'
Add travis build badges

[skip ci]
Merge pull request #50 from randomecho/3.3/develop

Copyedits on Adding page, breaking it down into sections
Merge pull request #44 from cbandy:3.3/feature/phpcs-cleanup

Fixes Coding Standard violations - applied manually to resolve
conflicts. The controller fixes have been reapplied to
Kohana_Controller_Userguide.

Fixes #44

Conflicts:
	classes/Controller/Userguide.php
Merge pull request #55 from visualfanatic/3.3/hide-breadcrumbs

Hide breadcrumbs if there is only one element
Merge pull request #57 from feketegy/3.3/develop

Changed sidebar menu style, dropped expand/collapse functionality
Merge pull request #58 from KostyaTretyak/3.3/develop

Added preg_match() for generating link for 'uses constant'
Merge pull request #53 from @Mytho

Improved documentation comments

Fixes #53

Conflicts:
	classes/Kohana/Controller/Userguide.php
	classes/Kohana/Kodoc/Markdown.php
Update copyright year in userguide footer

Identified by @aaronott in #60 but applied manually to target
3.3 and because it's now a year since he changed it and it needs
changed again...

Closes #60