mount nytprof rpeort with Plack::App::File
fixed bug: can not turn off reporting
check if a function exists
removed args(maybe no need them)
Merge pull request #5 from bayashi/fix-enable_reporting_option_bug

fixed bug: can not turn off reporting
Merge pull request #6 from bayashi/fix-disabled_bug

Fix disabled bug
Added simple profiling tests
Add some notes for performance penalty
also load Devel::NYTProf::Core
always execute _setup_profiler at first
use 'enable_if' if you want to turn off this middleware.
pass $env for calling enable_profile
load Devel::NYTProf every proc.
Merge pull request #9 from bayashi/support_prefork_app

Support preforked app
tidy
bump version
Don't check profiler is enabled twice
Add comments for NYTProf module load timing
Add note for performance penalty and link to MAKING_NYTPROF_FASTER section
Bump version
Changed version postion