Bug 4151 - Entry metadata not currently reorder-able/reposition-able

Made chnges in function Entry::print_metadata() at core2.s2 end. As mentioned in the bug description I have added li id="metadata-$m in code. And also an "If" block is removed just after foreach loop.
Bug 4151 - Entry metadata not currently reorder-able/reposition-able

As mentioned in github after the first commit. I am removing the hardcoded colon and space from the function.
Bug 4151 - Entry metadata not currently reorder-able/reposition-able

Reintroduced the array [ "mood", "location", "music", "groups", "xpost" ]. Now the only change remained is id.
Merge pull request #476 from abhihimself/bug4151-entrymetadata

Bug 4151 - Entry metadata not currently reorder-able/reposition-able