Outdated installation for socketcand

Instructions for installing socketcand in the [Kayak tutorial](https://dschanoeh.github.io/Kayak/tutorial.html) is outdated and incorrect. According to the [socketcand documentation](https://dschanoeh.github.io/Kayak/tutorial.html), the correct instructions are:
```
./autogen.sh
./configure
make
make install
```
Please update.