Configure Apache to serve SVG files with correct mime type

Some Apache servers aren't properly configured and serve .svg files with XML mime type.
Especially Webkit-based browsers such as Safari and Chrome won't show these graphics in that case.
Add PHP 5.4.0 requirement to composer
Merge pull request #63 from ckdarby/master

Add PHP 5.4.0 requirement to composer, thanx @ckdarby
Fixed verify mail action
Russian Localization
Merge pull request #59 from seim/master

Configure Apache to serve SVG files with correct mime type, thanx @seim
Added module check
Added Russian language for Hello extension
Merge pull request #65 from HostSpectr/pagekit_russian_localization

Pagekit russian localization, thanx @HostSpectr
Merge branch 'master' of https://github.com/pagekit/pagekit