Merge branch 'master' into master

Author: jimklimov

.gitignore

@@ -22,6 +22,10 @@ Makefile.in
 /config.sub
 /config.cache
 /configure
+/conf_nut_report_feature
+/conf??????/
+/dir.??????/
+/configure-test*/
 /cscope.*
 /depcomp
 /INSTALL
@@ -31,6 +35,9 @@ Makefile.in
 /missing
 /test-driver
 common/.dirstamp
+*-spellchecked
+/.ci*.log
+/.ci*.log.*
 
 # Dist
 /nut-*.*.*/
@@ -44,3 +51,7 @@ common/.dirstamp
 /nut-*.tar.gz.md5
 /nut-*.tar.gz.sha256
 /nut-*.tar.gz.sig
+
+# Debuggers and IDEs
+.gdb_history
+/nbproject