Improved gem description, list each event from GC, and use GH friendly
code blocks in usage.
Merge pull request #1 from zzak/readme_format

Improved gem description, list each event from GC, and use GH friendly code blocks in usage.
support getrusage results
add docs about getrusage()
fix miss spelling (utime->stime)
v0.0.5
add a comments
add objspace_recorder
v0.1.0
modify jquery's path.
update README.md about ObjectSpace recorder
support type picker
v0.1.1