progress towards FELIX-1368
* bldcommon/prepare/build.xml downloads external eclipse dependencies to ivy cache
* set up ivy and build files for common and most of eclipse project
* set up sigil-repos.properties 


git-svn-id: https://svn.apache.org/repos/asf/felix/trunk@796007 13f79535-47bb-0310-9956-ffa450edef68
21 files changed