Added path helpers to io Util

Signed-off-by: Tom Wright <tom@inflatablecookie.com>
Fixed id handling in aura tag

Signed-off-by: Tom Wright <tom@inflatablecookie.com>
Fixed axis schema cache clearing

Signed-off-by: Tom Wright <tom@inflatablecookie.com>
Added html translation to latex lib

Signed-off-by: Tom Wright <tom@inflatablecookie.com>