Updated signing feature (#228)
It uses the default browser.
Implemented an internal browser for the new signing feature.
New Signing methodology only.
Checks current NDK version.
If it >= 10.2 -> okay
if is < 10.2 -> search for the 10.2 version and use it only for signing and creating debug token purposes. If there is no 10.2 or higher available, a warning is presented to user.
Using QNXtools that must be stored in C:\Program Files (x86)\BlackBerry\VSPlugin-NDK
Fixed issue #273
Merge pull request #291 from blackberry/next-273

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