Add 'bolt get'.
Add 'bolt keys'.
Add 'bolt pages'.
Add 'bolt set'.
Add 'bolt buckets'.
Fix print.
Merge pull request #74 from benbjohnson/cli

CLI
Call fdatasync/fsync after writing out non-meta pages

This avoids a case where writes can be reordered so meta page is
written before a page it refers to, potentially causing a corrupt
database after a power loss or kernel crash.
fix 32bit build fails: bucket.go#67
Merge pull request #75 from Slacken/32bit_build_fails_bucket_go_67

Fix 32bit build
Merge branch 'fdatasync' of https://github.com/tv42/bolt into fsync
Consolidate syscall files.
Merge pull request #76 from benbjohnson/fsync

fdatasync