Added first and last node helpers to mesh entity locator

Signed-off-by: Tom Wright <tom@inflatablecookie.com>
Added more control over storage in axis

Signed-off-by: Tom Wright <tom@inflatablecookie.com>
Fixed virtual key field names in arrayManipulator

Signed-off-by: Tom Wright <tom@inflatablecookie.com>
Added cluster unit accessor in data plug

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

Signed-off-by: Tom Wright <tom@inflatablecookie.com>
Added selector area to HeaderBar components

Signed-off-by: Tom Wright <tom@inflatablecookie.com>
Added more helpers to unit inspector

Signed-off-by: Tom Wright <tom@inflatablecookie.com>
Updated axis table tasks to support clusters

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