update ignore
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Update instruction.markdown
added some instruction Fixed #116
Merge branch 'master' of github.com:bay6/union
Merge pull request #134 from vincent178/master

ranking
Merge pull request #135 from vincent178/master

group same user value
modify the format of instruction
Merge branch 'master' of github.com:bay6/union
remove category from rank
add gravatar
fix bug sortable
Merge pull request #138 from kaku87/fixbug_sortable

Fixbug sortable
Merge branch 'master' of github.com:bay6/union
refacetor the rank of records
add link to records in rank
Merge pull request #139 from caok/master

modify something in rank and instruction
Update README.md