recode-3.7.12-bp155.1.6

- update to 3.7.12:
  * Simplify support for ignoring invalid input with iconv,
    integrated with the --strict and --force mechanisms
- drop obsolete texinfo packaging macros
- fix devel package dependency warning and package license texts

- udpate to 3.7.11:
  * Re-add support for transliteration with iconv (removed in 3.7).
  * Add support for ignoring invalid input with iconv.
  * Fix a bug introduced in 3.7.10 that prevented building the code.

- udpate to 3.7.10:
  * In recode program, only use iconv if needed; add --prefer-iconv option to
    allow its use in all cases.
  * Remove support for pre-3.5 request syntax (colon as charset separator).
  * PO files have been updated from the Translation Project.
  * Build system fixes and improvements.
  * Update gnulib to fix a problem building on Android.
  * Fix confusingly wrong NEWS entry for 3.7.4.

- Update to 3.7.9
  + Fix CP1252 encoding: U+017E LATIN SMALL LETTER Z WITH CARON is
    at byte 0x9e, not byte 0x8f.
  + Minor documentation fixes.