Subject: Feedback on Contribution doc
Subject: Feedback on Contribution doc

Motivation:
Some minor updates to the contribution document based on feedback

Modifications:
Fixed up some links that were broken and added details of Maven requirements on Fedora

Result:
Doesn't impact the functioning of the product, purely documentation related.

wildfly-swarm/wildfly-swarm,jamesnetherton/wildfly-swarm,gastaldi/wildfly-swarm,Ladicek/wildfly-swarm,nelsongraca/wildfly-swarm,wildfly-swarm/wildfly-swarm,Ladicek/wildfly-swarm,kenfinnigan/wildfly-swarm,wildfly-swarm/wildfly-swarm,kenfinnigan/wildfly-swarm,heiko-braun/wildfly-swarm-1,christian-posta/wildfly-swarm,bobmcwhirter/wildfly-swarm,christian-posta/wildfly-swarm,emag/wildfly-swarm,gastaldi/wildfly-swarm,heiko-braun/wildfly-swarm-1,Ladicek/wildfly-swarm,jamesnetherton/wildfly-swarm,bobmcwhirter/wildfly-swarm,nelsongraca/wildfly-swarm,wildfly-swarm/wildfly-swarm-core,emag/wildfly-swarm,wildfly-swarm/wildfly-swarm-core,gastaldi/wildfly-swarm,Ladicek/wildfly-swarm,emag/wildfly-swarm,jamezp/wildfly-swarm,juangon/wildfly-swarm,jamezp/wildfly-swarm,jamezp/wildfly-swarm,christian-posta/wildfly-swarm,emag/wildfly-swarm,wildfly-swarm/wildfly-swarm-core,jamesnetherton/wildfly-swarm,bobmcwhirter/wildfly-swarm,jamezp/wildfly-swarm,gastaldi/wildfly-swarm,kenfinnigan/wildfly-swarm,nelsongraca/wildfly-swarm,heiko-braun/wildfly-swarm-1,juangon/wildfly-swarm,heiko-braun/wildfly-swarm-1,christian-posta/wildfly-swarm,kenfinnigan/wildfly-swarm,gastaldi/wildfly-swarm,juangon/wildfly-swarm,juangon/wildfly-swarm,christian-posta/wildfly-swarm,juangon/wildfly-swarm,kenfinnigan/wildfly-swarm,heiko-braun/wildfly-swarm-1,bobmcwhirter/wildfly-swarm,bobmcwhirter/wildfly-swarm,nelsongraca/wildfly-swarm,nelsongraca/wildfly-swarm,wildfly-swarm/wildfly-swarm,jamesnetherton/wildfly-swarm,wildfly-swarm/wildfly-swarm-core,wildfly-swarm/wildfly-swarm,jamesnetherton/wildfly-swarm,jamezp/wildfly-swarm,Ladicek/wildfly-swarm,wildfly-swarm/wildfly-swarm-core,emag/wildfly-swarm