Update installation.md
i18n fixes and improvements (fixes #210)
Update installation.md
use speakingurl for slugs

Fixes https://github.com/ongoworks/reaction/issues/200
RUB Currency Fix

Closes https://github.com/ongoworks/reaction-core/pull/39
Merge branch 'v0.2.1' of https://github.com/kefirchik/reaction-core into kefirchik-v0.2.1
Merge branch 'kefirchik-v0.2.1' into v0.2.1
Updated package version

ongoworks:speakingurl
Deprecate afFieldLabel

Auto form 4.x update
Card helpers moved to core

For reuse in other payment methods moving to core
Squash Autoform reset error
Move routing to common

Recommended practice with upcoming iron:router
Merge pull request #41 from ongoworks/v0.2.1

V0.2.1