When reading the fcinfo - file (fontconfig info file) we currently have very limited logging.
This should be enhanced to get more info in case of errors , and to have at least some info in the log when -Dsun.java2d.debugfonts=true is set.

 This change added the following messages:

"fontconfig info file <file name> does not exist"
"IOException (<exception message>) reading from <file name>"
"fontconfig info file version mismatch (found: <version>, expected: <version>)"
"new, different fontconfig detected"
"out of date cache directories detected"
"bad non-positive .length entry in fontconfig file <file name>"
"missing file value for key <keyname> in fontconfig file <file name>"
"successfully parsed the fontconfig file at <file name>"