Override default console highlighting colors (#763)

Signed-off-by: Ben Clark <ben@benjyc.uk>

distributions/openhab/src/main/resources/userdata/etc/scripts/shell.colors.script

@@ -0,0 +1,40 @@
+// This script overrides the default colors for the Karaf console.
+// All colors are set using the original ANSI escape code specification.
+
+// HIGHLIGHTER_COLORS overrides the colors related to console input.
+// From the Apache Felix documentation:
+// rs : Reserved words
+// st : Strings
+// nu : Numbers
+// co : Constants
+// va : Variable
+// vn : Variable name
+// fu : Function
+// bf : Bad function
+// un : Unknown
+// re : Repair
+
+HIGHLIGHTER_COLORS = "rs=93:st=92:nu=37:co=90:va=97:vn=37:fu=96:bf=91:re=32"
+
+// LS_COLORS overrides the colors used in the ls command output.
+// From the Apache Felix documentation:
+// dr : Directory
+// ex : Executable
+// sl : Symbolic Link
+// ot : Other
+
+//LS_COLORS = "dr=1;91:ex=1;92:sl=1;96:ot=34;43"
+
+// GREP_COLORS overrides the colors used in the grep command output.
+// From the Apache Felix documentation:
+// mt : Hits in the text (sets both ms and mc)
+// ms : Matching text in selected line
+// mc : Matching text in context line
+// fn : File names
+// ln : Line numbers
+// se : Selected lines
+// sl : Whole selected line
+// cx : Context lines
+// rv : If set and match is inverted, the meaning of sl and cx is inverted
+
+//GREP_COLORS = "mt=1;31:fn=35:ln=32:se=36"