Update README.md

Add link to contrubutor guidelines.
Fix for:  https://issues.jboss.org/browse/SRAMP-477
Merge pull request #446 from EricWittmann/SRAMP-477

Fix for:  https://issues.jboss.org/browse/SRAMP-477
class reference fix
SRAMP-471 Maven Facade: Implement maven deploy support
Merge pull request #445 from dvirgiln/SRAMP-471

SRAMP-471 Maven Facade: Implement maven deploy support
property rename
various changes to prep for community beta release
SRAMP-483

Maven Repository Servlet failing in fuse
Merge pull request #447 from dvirgiln/SRAMP-483

SRAMP-483
xmlsec once again being pulled in via osgi
SRAMP-453 upgrade to aesh 0.33.13
fixed some problems with pom.xml files
Merge branch 'master' of github.com:Governance/s-ramp
docs 0.5.0.Beta1
prepare for 0.5.0.Beta1
0.5.0.Beta1 post release
SRAMP-486 shell looks for "java" on the PATH, in addition to JAVA_HOME
SRAMP-489 Remove newlines from WAR plugin manifest configs in pom.xml
files
SRAMP-490 remove maven plugin version overrides