REPACK2 not detected as other: proper

[duramato]

Release in question:

For: The Office US S03 1080p REPACK2 WEB-DL DD+5.1 H.264-AJP69
GuessIt found: {
    "title": "The Office",
    "country": "UNITED STATES",
    "season": 3,
    "screen_size": "1080p",
    "source": "Web",
    "audio_codec": "Dolby Digital Plus",
    "audio_channels": "5.1",
    "video_codec": "H.264",
    "release_group": "AJP69",
    "type": "episode"
}

Example with REPACK, which gets correctly detected.

For: The Office US S03 1080p REPACK WEB-DL DD+5.1 H.264-AJP69
GuessIt found: {
    "title": "The Office",
    "country": "UNITED STATES",
    "season": 3,
    "screen_size": "1080p",
    "other": "Proper",
    "proper_count": 1,
    "source": "Web",
    "audio_codec": "Dolby Digital Plus",
    "audio_channels": "5.1",
    "video_codec": "H.264",
    "release_group": "AJP69",
    "type": "episode"
}

[Toilal]

This is implemented, and also increment the proper_count value with the digit following REPACK or ReRip.