vimrc: term encoding to UTF8, to read all files

also fix --version compile infos

Change-Id: I6508c92dfbfe20b9b803dc5e1497cc68ed92a2f1
syntax: add logcat hilighting

Change-Id: I7f232c06eb29ceb022c43e616aa9f57ed588ec6e
runtime: add some plugins/autoload files, minimal help

wanted to add tar/gzip/zip support but plugins are
not compatible with busybox tools

Add spacehi.vim to show trailing spaces/tabs with <F9> key

Change-Id: I5881fe878852e6da400a11a9af347572af42fe16
define variant in Android.mk (big/normal/small)

Change-Id: If5c41ad28b8fff10403e395602ef7254b3a55fc5