Synced with Circle Step 44.3

• Synced with Circle Step 44.3.

Synced with Circle Step 44.2

• Synced with Circle Step 44.2.
• Aligned toolchain version with Circle (gcc 10.3-2021.07).
• Updated Mbed TLS to version 2.16.11.

Fix for issue #22, sync with Circle Step 44.1

• Synced with Circle Step 44.1.
• Fixed issue #22 "Bad memmove behavior". This issue was only reproducible with the AArch64 build.

Sync with Circle Step 44

• Synced with Circle Step 44.

Synced with Circle Step 43.3

• Synced with Circle Step 43.3.
• Aligned toolchain version with Circle (gcc 10.2-2020.11).

Synced with Circle Step 43.2

• Synced with Circle Step 43.2.
• Added boolean parameter bWaitForActivate for CStdlibAppNetwork::Initialize() (issue #15).

Minor Bugfix Release

• Fixed issue #14: fopen() returned non-NULL value when opening non-existent
  file for reading.

Synced with Circle Step 43.1

• Synced with Circle Step 43.1.
• Updated mbedtls to release 2.16.8.

Synced with Circle Step 43

• Synced with Circle Step 43.

Support for WLAN features of Circle

• Synced with Circle Step 42.1.
• Support for new WLAN features of Circle.