a few minor typos in the User Guide

[bertrandDechoux]

This is related to the last version, 2.1.6.

4.1.1. Restartability

One key issue when executing a batch job concerns the behavior of a Job when it is restarted?

4.1.4. JobParametersValidator
[...]
child element of the job, e.g>:

4.2. Configuring a JobRepository
[...]
you don't use multi-bye characters

4.5.6. Aborting a Job

A job execution which is FAILED can be restartsed

PS : I am not sure how I should report those. So the first time will be on the forum with a post...

[Dave Syer]

Something trivial like this doesn't really matter where you report it, but JIRA is best because it will never be forgotten or overlooked there. Patches in github also always welcome. Don't bother with either in this case since we already got the message.