po_check：check po in dde-workspace and fixed some error tranlation

1.fixed error dialog message in fileops_error_dialog.c
2.fixed 'dependences' to 'dependencies' in dock and launcher
3.fixed some error tranlation in guide/js/
4.delete some unuseful code in guide/js/end.coffee to reduce unuseful po

5.update all po files
6.remove fuzzy in zh_CN.po , but not remove fuzzy in other po files
7.remove fuzzy in all po files which caused by this CL

8.fixed 'other' to 'others' in lib/catagory.c for launcher
9.delete all unuseful msgid msgstr in all po files

10.fixed 'The merge operation' to 'The merging operation'
11.fixed '相同文件名' to '相同名称' in zh_CN.po
12.tranlate 'tips:' to '提示：'

Change-Id: I5b966017dd074020be7c18db93474dace2d898c4