ESP32 Arduino 1.0.3 Pre-Release

Includes various bugfixes and updated IDF, Camera and Face libraries.

Commits

• 0acf19a Update IDF to v3.2 977854975 (#2771)
• aff2e42 Add Pycom GPy board (#2754)
• 2743e7b Update mac.md (#2745)
• c453a00 Adding TTGO T1 board definition (#2744)
• 2f249ed Use std::abs for a float-compatible abs() function (#2738)
• bd57ff4 StreamString SSO fix (#2736)
• 43bf393 Fix semaphores in IDF & std::string assert (#2728)
• bea7bd1 Implemented ability to change BLE address (#2690)
• 7dd537f Fix libgcc not being in rom
• 50d1429 Update esp32-hal-rmt.c
• d13de28 Undo the redefinition of FPSTR from 8266 merge (#2726)
• 697d4ff Add board "WEMOS D1 MINI ESP32". (#2710)
• ab309e4 Copy ESP8266 String w/SSO to ESP32 repo (#2715)
• 932666a Ensure that _size is properly set in begin (#2706)
• a0ad987 Add TTGO T-Watch board definition (#2681)
• 271e5cd Fix Werror=reorder for idf.py build (#2707)
• 619568d Converted EEPROM library to use nvs instead of partition. (#2678)
• 0202ba7 Fix reorder error in WebServer (#2700)
• 119ece2 Portability from ESP8266, virtual Stream member functions. (#2701)
• 606446a Update ALKS board (#2694)
• a28cf00 add lolin32 CPU freq choice (#2682)
• 672e4fa Add optional support for CORS headers (#2688)
• f8eebb5 Fix indentation