I'm Muslim myself and I know well the Islam and what it teaches us, and to be honest, I don't care what you believe in and what you do with your life, we should just live in peace regardless of our religion, ideology or nationality. However, what I can't tolerate is people spamming hatred towards ALL the muslims or towards the Islam because of a minority of people that aren't even true muslims.
It's clearly stated in the Quran that killing a single soul is like killing all the humanity, Muhammad also that everyone has his religion and is free to practise it in his country.
The sourates of the Quran that talks about killing people were in a context of war, and western countries didn't declared war to us, so committing terrorists attacks is condemned by Islam.
ISIS just use the Islam as a vector to brainwash people's head because it's easy to misinterpret the Quran.