Update en.yml

Change title to call to action for why to run a full node. Refined the paragraph for conciseness and to explain the benefits of running a full node.
Update en.yml

Download link change. Addition of storage and bandwidth usage.
Update en.yml

Shortened the title.
Merge branch 'patch-6' (fixes #381)
Improve "full Bitcoin client" text on the "Choose your wallet" page as per discussions on #382