[PATCH] [BZ 14094] Update locale data to Unicode 7.0.0

[Pravin Satpute]

Hi All,

  Attached patch to fix this long pending issue.

 A.  Process for updating locales/i18n ctype with new Unicode release is
documented @ [1], I think it should get added either in WIKI, or docs
folder of glibc.
 B. Patch adds two scripts to scripts folder and updates locales/i18n file
     gen-unicode-ctype-dcp.py - To generate upper, lower and alpha class
from DerivedCoreProperties.txt [2]
     check-backcompatibility.py - to test whether updated locales/i18n
is backward compatible with older one.
C.  Best way to check new updated i18n file is compatible with existing
i18n file is
     a. copy new i18n file as a i18nnew
     b. check-backcompatibility.py i18n i18nnew > Report
D.  By using better file DerivedCoreProperties.txt from UCD for
generating CTYPE, we found number of characters were improperly mapped
to 'alpha' categories.
     Report/Analysis for backward compatibility is available AT
backward-compatibility5_1-to-7_0 [3]

     Please suggest me proper place for backward-compatibility5_1-to-7_0

    Next i am looking for UTF-8 file.

Thanks,
Pravin Satpute

1. https://github.com/pravins/glibc-i18n/blob/master/steps-to-generate-ctype
2. https://sourceware.org/bugzilla/show_bug.cgi?id=14094#c9
3.
https://github.com/pravins/glibc-i18n/blob/master/unicode7-0/backward-compatibility5_1-to-7_0

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