[MOD] Set `TAILCALLS` property to a higher value (256).
Merge pull request #751 from LeoWoerteler/tc256

Set `TAILCALLS` property to a higher value (256).
[MIN] Info files moved
Version 7.7.1 (September 16, 2013)

 XQUERY
 - new map syntax: { 'key' : 'value' }
 - tail call optimization for dynamic functions
 - optimize fn:subsequence() calls and sequence casts
 - db:optimize(): original options are preserved

 WEBDAV
 - return non-breakable spaces as &#xA0;

 CORE
 - avoid OutOfMemory exception when building large databases
Version 7.7.1 (September 16, 2013)

 XQUERY
 - new map syntax: { 'key' : 'value' }
 - tail call optimization for dynamic functions
 - optimize fn:subsequence() calls and sequence casts
 - db:optimize(): original options are preserved

 WEBDAV
 - return non-breakable spaces as &#xA0;

 CORE
 - avoid OutOfMemory exception when building large databases
[MOD] Switched to 7.7.2 beta
[FIX] Handle tail calls correctly in built in higher-order functions.
Merge pull request #753 from LeoWoerteler/built-in-tco

[FIX] Handle tail calls correctly in built in higher-order functions.
[MIN] XQuery: minor renamings and refactorings
[FIX] XQuery, format-number: ignore default element namespace
[FIX] XQuery, GH-752: Respect `IO.MAXATTS` in `Data.insertAttr(...)`.
Merge pull request #754 from LeoWoerteler/gh-752

[FIX] XQuery, GH-752: Respect `IO.MAXATTS` in `Data.insertAttr(...)`.
[FIX] XQuery: New Map Syntax. Fixes #755
[FIX] XQuery: namespace conflict in XQuery update
[MIN] General: translation files revised
[MIN] Translation inconsistencies resolved (thanks to Alex Shpack)
[ADD] Russian translation (thanks to Oleksandr Shpak and Max Shamaev)
[MIN] XQuery, better error feedback. Closes #756
[FIX] Recover lost duplicate-attribute check in XQUP.
[ADD] XQuery, GH-755: Added test case.