Fix for stucked download

• Fixed issue when an download source is https
• Added retry function when a download fails
  

Release for auto update

• App auto update implemented
• Set version to 1.0

Test release don't use this

This is a sample release.

Test release don't use this

v0.0.8

Test for auto update

For auto update checking

v0.0.7

Test for auto update

Test release for auto update

This release is made to test the functionality of app auto update

Initial release

Released for testing.

untagged-eff02a949a45655686b8

Test some travis build