Merge pull request #14 from rorlab/master

bookkeeping 수정하기
Merge pull request #16 from rorlab/master

거래 내역 보기 (ng-grid 이용함)
Merge pull request #17 from rorlab/master

bookkeeping 수정 후 저장하면 삭제/수정 링크가 사라지는 문제 해결함.
fix assign issue
angularjs version update => 1.2.0
머지 후 충돌해결함.
Merge commit 'c3f02fb15e17d93b608e4482d20a939091c27932'

# Via Chungsub Kim
* commit 'c3f02fb15e17d93b608e4482d20a939091c27932':
upstream 머지후 충돌 해결함.
Merge commit 'a0690bb68cdbad88996afe514031fe41cb2f867e'

# By subicura
# Via Chungsub Kim (1) and subicura (1)
* commit 'a0690bb68cdbad88996afe514031fe41cb2f867e':
  angularjs version update => 1.2.0
  fix assign issue