improve script documentation and add timestamps / directory size calculations
because different versions of mktemp don't support --tmpdir, try another approach (and curse the slaves w/ old versions of bash)
typo ftl
make sure that there's an upstreamProject.name.xml to parse w/ sed even if wget fails
JBIDE-16910 new script for p2.director install of all feature.groups and plugins on a target platform site, so we can validate contents
add director.xml to .gitignore
JBIDE-16953 getRemoteFile targets wrong folder w/ tempfile
add -CLEAN flag to installFromCentral.sh; check if CENTRAL_URL is valid before trying to perform install from that URL
add if/else check for GIT_REVISION, just in case (JBIDE-16953)