Update README.md

typo
Fix false values has been removed on generating solo.json

Some cookbook uses boolean value for customize its behavior.
but remove_procs_from_hash() removes all false values.
Add logging_verbose option to capistrano configuration

chef (>= 0.10.6) supports verbose_logging setting for suppress logs.
This fix makes it changable from capistrano configuration.
Merge pull request #15 from ryross/patch-1

Update README.md
Merge pull request #16 from tk0miya/fix-false-has-removed-from-solo-json

Fix false values has been removed on generating solo.json
Merge pull request #17 from tk0miya/add-logging_verbose-option

Add logging_verbose option to capistrano configuration