update db/schema.rb
don't show assets logs
add filter of branches and results

for example /reports?branch=trunk&result=failure
tool/chkbuild-ruby-info added.
Make it usable as a library.
Merge pull request #14 from akr/chkbuild-ruby-info

Chkbuild ruby info
move tool/chkbuild-ruby-info into script/
read stdin if data is given through pipe
Fix regexps.
Merge branch 'master' into chkbuild-ruby-info
Extract more informaiton.
Extract [BUG] information.
Refine [BUG] information.
Merge pull request #15 from akr/chkbuild-ruby-info

chkbuild-ruby-info extracts more information
merge master