bumped to XChange 1.6.0
updated release notes with bug fix details
Fix for issue 125 - lastSeenBlockHeight mismatch.
added localhost as allowable domain
fixed issue 117 - fee too high.
also i18n refresh
changed default exchange to CampBX
Merge branch 'issue-121' into develop
added back Jackson into executable jar.
added more logging for MyWallet imports.
first part of hardening the pom.xml file