This reverts commit 3d464618227d8d6f5040bff6c8e41a447a6d6f25, reversing
changes made to 1d8fd4aa72e99a875eb7efe70c3d4700dd0d27b1.
merge was done with "old changes"
According to ESP-IDF, file partitions_single_app should start from
0x8000 instead of 0x4000.
Some Rtos-Functions (taskhandling for example)are not fully tested, and
force a reset when called. This behaviour can be switched off.