Separated shell scripts

Bugfixes

Changed sysExec() to be based on: https://www.infoworld.com/article/2071275/when-runtime-exec---won-t.html
The original way hangs on long uploading.

Improvements and tests before release

Added messages to console about chip type

Modified README

Added a choice to "Erase All Flash" at the end of FS type selections

Updated assets

Change first choice (default) of drop-down to LittleFS

Release 2.0.1

Added checkup of partition scheme vs. chosen filesystem
Typo error fixes and minor changes

Updated README

Added zipped jar binary release

Added message to show found espota, esptool, mklittlefs and mkspiffs …

…binaries path.

Change tool from esptool to esptool_py