update submodule: backend-kit
add documentation/example for slice
Update submodules, expose Trafo.Sharing module for use by backend-kit.
Update submodule: backend-kit
update submodule: backend-kit
update submodule: backend-kit
update submodule: backend-kit
update submod
update submod: backend-kit
Tedious refactor: Use strict importing convention for Accelerate.hs.  Now you can see what module each export comes from.
Merge branch 'fusion'

Conflicts:
	accelerate.cabal
update submodules
warn: unused import
verbosely initialise the default phase configuration record
rewrite rule to combine filters

perhaps an obscure corner case, but important to know that ghc's rewrite system will catch this before metaprogram expansion
prelude: specialise 'tail' instead of using 'drop 1'
constant folding for expressions
cabal: add profiling options
substitution: remove dodgy shrinkA
trafo: strictify many things