Merge branch 'master' of github.com:stm32duino/Arduino_Core_STM32 into dfu-util2

Author: jgillick

.editorconfig

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+[*.sh]
+# like -i=2
+indent_style = space
+indent_size = 2
+
+#shell_variant      = posix # like -ln=posix
+#binary_next_line   = true  # like -bn
+switch_case_indent = true  # like -ci
+space_redirects    = true  # like -sr
+#keep_padding       = true  # like -kp

.gitattributes

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+# Set the default behavior, in case people don't have core.autocrlf set.
+* text=auto
+
+# Explicitly declare text files you want to always be normalized and converted
+# to native line endings on checkout.
+*.c text
+*.cpp text
+*.h text
+*.s text
+*.S text
+*.ld text
+*.txt text
+*.xml text
+*.py text
+*.md text
+*.json text
+
+# Denote all files that are truly binary and should not be modified.
+*.png binary
+*.jpg binary