Normalize `thesis.bib' file (#465)
Normalize `thesis.bib' file (#465)

* 修改了sample/bib/thesis.bib中的xiaoyu2001的条目，将article修改为了online，同时去除了关于TypeofLit的内容。修改的内容来自@hushidong的模板 https://github.com/hushidong/biblatex-gb7714-2015/blob/master/egthesis/thesis-sjtu-numeric.tex

* 修改了sample/bib/thesis.bib中的CHRISTINE1998的条目,去除了关于TypeofLit的内容，将citedate改为urldate。修改的内容来自@hushidong的模板 https://github.com/hushidong/biblatex-gb7714-2015/blob/master/egthesis/thesis-sjtu-numeric.tex

* Format `thesis.bib' file with biber tool mode.

* Modify item in `thesis.bib'.

weijianwen/SJTUThesis