1. add testcase for BUG#46676
2. Allow CREATE INDEX to be interrupted
3. ha_innobase::change_active_index(): When the history is
   missing, report it to the client, not to the error log
4. ChangeLog entries

appplied revisions:r6169, r6170, r6175, r6177, r6179

Detailed revision comments:

r6169 | calvin | 2009-11-12 14:40:43 +0200 (Thu, 12 Nov 2009) | 6 lines
branches/zip: add test case for bug#46676

This crash is reproducible with InnoDB plugin 1.0.4 + MySQL 5.1.37.
But no longer reproducible after MySQL 5.1.38 (with plugin 1.0.5).
Add test case to catch future regression.

r6170 | marko | 2009-11-12 15:49:08 +0200 (Thu, 12 Nov 2009) | 4 lines
branches/zip: Allow CREATE INDEX to be interrupted.  (Issue #354)

rb://183 approved by Heikki Tuuri

r6175 | vasil | 2009-11-16 20:07:39 +0200 (Mon, 16 Nov 2009) | 4 lines
branches/zip:

Wrap line at 78th char in the ChangeLog

r6177 | calvin | 2009-11-16 20:20:38 +0200 (Mon, 16 Nov 2009) | 2 lines
branches/zip: add an entry to ChangeLog for r6065

r6179 | marko | 2009-11-17 10:19:34 +0200 (Tue, 17 Nov 2009) | 2 lines
branches/zip: ha_innobase::change_active_index(): When the history is
missing, report it to the client, not to the error log.