Reboot Loop! Help a NOOB out!

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http://androidforums.com – Ok, so I've had an SII for over a year now and I've kept it on stock android. Today I decided to root. I got that far and then decided to install cyanogenmod(10.1 or 10). Well I installed 10.1 and I'm stuck on a boot loop. Can anyone please help. What do I do? This is my daily phone and I can't have it like this. I've tried googling but they all give different advice. Can anyone PLEASE give me simple advice on what to do. A million thanks. ----- I didn't flash google apps after flashing Cyanogenmod. Could this be it? If it is, which gapps do I download for my phone with Cyanogenmod 10.1 ni (General)