rename source code from coredos -> dosek

CMakeLists.txt

app/CMakeLists.txt

app/bcc1/alarm1/CMakeLists.txt

app/bcc1/alarm2/CMakeLists.txt

app/bcc1/alarm3/CMakeLists.txt

app/bcc1/complex1/CMakeLists.txt

app/bcc1/complex2/CMakeLists.txt

app/bcc1/hoffmann/CMakeLists.txt

app/bcc1/isr2/CMakeLists.txt

app/bcc1/lukas/CMakeLists.txt

app/bcc1/resource1/CMakeLists.txt

app/bcc1/resource2/CMakeLists.txt

app/bcc1/sse1/CMakeLists.txt

app/bcc1/task1/CMakeLists.txt

app/bcc1/task2/CMakeLists.txt

app/benchmark/CMakeLists.txt

app/benchmark/complex1/CMakeLists.txt

app/benchmark/coptermock/CMakeLists.txt

app/benchmark/coptermock/dosek.cc

app/sysmodel/1alarm/CMakeLists.txt