Resync to upstream master esp-nimble @fead24e.

Previously applied patches have now been merged upstream.
Applied patches folder removed to reflect this.

Added ability to turn on NimBLE host logging in `nimconfig.h` by setting
`CONFIG_BT_NIMBLE_DEBUG` to 1.

Author: h2zero

README.md

@@ -54,13 +54,10 @@ Change the settings in the `nimconfig.h` file to customize NimBLE to your projec
 
 # Continuing development:
 
-This Library is tracking the esp-nimble repo, nimble-1.2.0-idf master branch, currently [@0a1604a.](https://github.com/espressif/esp-nimble)
+This Library is tracking the esp-nimble repo, nimble-1.2.0-idf master branch, currently [@fead24e.](https://github.com/espressif/esp-nimble)
 
 Also tracking the NimBLE related changes in esp-idf, master branch, currently [@2bc28bb.](https://github.com/espressif/esp-idf/tree/master/components/bt/host/nimble)
 
-This library has also (for now) moved ahead of the esp-nimble repo and applied patches merged into the mynewt/nimble repo that were deemed critical enough to justify doing so. The patch files used are included for reference in the applied_patches folder.
-
-
 # Acknowledgments:
 
 * @nkolban and @chegewara for the [original esp32 BLE library](https://github.com/nkolban/esp32-snippets) this project was derived from.