Modify the stack name to template file name when deploy stack use

Modify the stack name to template file name when deploy stack use
heat-translator

When deploy a stack online, it can specify a name as a input name（which
was added by issue PARSER-91), but the parameter is optional, if no
specified name, currently the default stack name is shown below:
    'heat' + first part of a random uuid
For readable and to be easier founded, the default name will be improved
to be the follow:
   'heat' + filename of template file + first part of a random uuid.

JIRA:PARSER-93

Change-Id: Ib8f5fd18bf4e57d2424c2a439aa6db8feead44cd
Signed-off-by: shangxdy <shang.xiaodong@zte.com.cn>