[MacPorts] #29624: tortoisehg: add launcher in applications_dir

[MacPorts]

#29624: tortoisehg: add launcher in applications_dir
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 Reporter:  ryandesign@…             |       Owner:  guido@…                 
     Type:  enhancement              |      Status:  new                     
 Priority:  Normal                   |   Milestone:                          
Component:  ports                    |     Version:  1.9.2                   
 Keywords:  haspatch                 |        Port:  tortoisehg              
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Comment(by guido@…):

 I think it would be nice to have a launcher in applications_dir. I'd only
 change the spelling of appname to "TortoiseHg" (with a lower case "g") to
 conform to the spelling on their [http://tortoisehg.bitbucket.org/
 website].

 Feel free to commit the patch!

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Ticket URL: <https://trac.macports.org/ticket/29624#comment:1>
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