make non-daemonic the default for `ah-serve`
remove LZ4 compression from componentStore

LZ4 compression of components cripples component loading and
indexing speed.
ignore EAD <head> - always use Hub field names

See Mantis issue 759:
http://archiveshub.ac.uk/mantis/view.php?id=759
fix mixed tabs/spaces in html-common.xsl
fix headings for all <controlaccess> fields

Correct heading markup for:
 - <function>
 - <genreform>
 - <occupation>