Routing: recommendation to not use custom styles
Routing: added info about %tld%, %domain% and %basePath%
Routing: updated foo parameters description to reflect their behavior change in 2.1
Routing: added basic information about global filters
Routing: typo
Routing: added tip for global filters usage
Routing: added RouterFactory example
Routing: reorganized styles section
Routing: rewritten and extended SimpleRouter section to not use $container
Routing: simplified Route Collection section to not mention $container
typo
Routing: minor improvements and typos to "SEO and Canonization" section
Routing: reformatted and slightly improved "Custom Router" section
Routing: improved section "Routing Debugger", typos
typo (Nette\Http\User -> Nette\Security\User)
en/routing: typos [#81]
cs/routing: synchronizing with english version [#81]
Fixing link to Di extesions in @docmenu [#88].
Merge pull request #89 from newPOPE/doc-2.1

Fixing link to Di extensions in @docmenu (EN) [#88].
Better wording and $defaultMessages

When looking for where to put a reference for $defaultMessages, I found that the wording in Custom errors isn't very good. So I did my best to rephrase it better. I also added 2.1 method for adding errors to form components.