VideoUploadResume VideoUploadFlash covered.

+ VideoUploadResume completed.
+ VideoUploadFlash completed.
* URLBuilder
  * com.github.cuter44.util.string.URLBuilder -> com.github.cuter44.util.text.URLBuilder
  + encodeURIComponent() that behave the same as the JavaScript's one.
  * bugfix: appendParamEncode() encodes unnecessary char.
  - appendParamEncode(key, value, charset), for utf-8 is recommended.