Fixed appId extraction

Jira-issue: WP-1075
Merge pull request #22 from ccameroni/WP-1075-fix-appid-extraction

WP-1075 Fix appId extraction
Removed old comment

Removed comment that was referring to our own building scripts, before node-gyp appeared.
Fixed building in debug mode

Replaced the hardcoded build\Release string with <(PRODUCT_DIR) in order to locate the output file when building with node in debug mode.

Jira issue: WP-1076
Fixed building in debug mode

Replaced the hardcoded build\Release string with <(PRODUCT_DIR) in order to locate the output file when building with node in debug mode.

Jira issue: WP-1076
Removed misplaced binding.gyp.

the lib/binding.gyp was the one in certificate manager and must have been copied here by mistake
Merge pull request #24 from andreasbotsikas/WP-1076

Fixed building in debug mode