(1) Trailing/leading spaces are removed from 'name's/'blurb's
(2) Duplicate 'blurb's are replaced with NULL
(3) Empty ("") 'blurb's are replaced with NULL
(4) BASE_NONE, NULL, 0x0 are used for 'display', 'strings' and 'bitmask' fields
for FT_NONE, FT_BYTES, FT_IPv4, FT_IPv6, FT_ABSOLUTE_TIME, FT_RELATIVE_TIME,
FT_PROTOCOL, FT_STRING and FT_STRINGZ field types
(5) Only allow non-zero value for 'display' if 'bitmask' is non-zero
svn path=/trunk/; revision=28770
making pointers to byte data be "guint8 *" rather than "char *",
and making buffers holding byte data arrays of "guint8" rather
than arrays of "char";
making pointers to text strings "char *" rather than "guchar *";
appropriately casting pointers (cast to "guint8 *" when passing
to routines expecting "guint8 *" or when assigning to "guint8
*");
making port-number preferences "guint";
making enum preferences "gint";
making hf_ variables "int".
Clean up white space.
svn path=/trunk/; revision=14884