removed unused script.
added function "canl" means not undefined, not null, and has length.
changed into inline
removed same codes on failureCallback.
remove failureCallback.
Merge branch 'multicolumn' into refactoring201310
added testcase for myutil.js#canl
fixed bug of "canl" function
applied review feedback.
and fixed the undefined variable reference bug when "change password" was failed
changed spec of function "canl" that any functions are "true".
changed shallow copy to deep copy.
(deep copy is original implementation)
copy deeply and recursively.
Merge pull request #15 from haushinka2dx/refactoring201310

Refactoring201310