Bluetooth enhancements.  Bug 9446 (https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=9446)

Bluetooth: SCO: Add Source/Destination addresses 
Bluetooth: HCRP: Use information from SDP to decoding PSM payload

From Michal Labedzki

svn path=/trunk/; revision=53816
- Make local functions static.
- Forward declaration of register function.

svn path=/trunk/; revision=53817
Remove #if 0 inverse_bit_mask8 array.

It was only used by tvb_get_bits_buf (removed in r53183).

svn path=/trunk/; revision=53818
Add new string proto encoding for windows-1250 (ENC_WINDOWS_1250)

- Move windows-1250 to unicode encoding table to charset.c
- Add tvb_get_string_unichar2, tvb_get_stringz_unichar2 functions which recode tvb-string to UTF-8.

svn path=/trunk/; revision=53819
Rename base_display_* to field_display

This is preparation to support ->display for FT_STRING values.

svn path=/trunk/; revision=53820
- Make local functions static.
- Forward declaration of register functions.

svn path=/trunk/; revision=53821
Add STR_ASCII, STR_UNICODE as possible displays for field_display_e

svn path=/trunk/; revision=53822
gadu-gadu: use STR_UNICODE display instead of proto_tree_add_unicode_string().

svn path=/trunk/; revision=53823
From Mathias Guettler via https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=9523 :
Fix ISO 10747 (IDRP) incorrect handling of data in IDRP ERROR PDU's

svn path=/trunk/; revision=53824
From Peter Lemenkov via https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=9524 :
Fix typo in erldp dissector

svn path=/trunk/; revision=53825
Add string encoding for ISO/IEC 8859-2 (ENC_ISO_8859_2)

svn path=/trunk/; revision=53826
Drop proto_tree_add_unicode_string() from IP, IPv6, JSON dissectors.

Set .display to STR_UNICODE (instead of STR_ASCII).

svn path=/trunk/; revision=53827
make SAC message padding filterable

svn path=/trunk/; revision=53828
Add missing consts.

svn path=/trunk/; revision=53829
add a decryption test for DVB-CI to the testsuite

svn path=/trunk/; revision=53830
Fix some cases where STR_UNICODE was used with FT_DOUBLE.

svn path=/trunk/; revision=53831
Use strutil xml_escape() function

svn path=/trunk/; revision=53832