Adding some charsets

Newer versions of MySQL have more UTF-8 collations in addition to the
new utf8_mb4 charset/collation.

For some additional information about utf8_mb4, please refer to
http://dev.mysql.com/doc/refman/5.5/en/charset-unicode-utf8mb4.html
appadmin manage patch, thanks Anthony
fixed issue Issue 1549:signature of original link is lost after successful login, thanks Oleb Butovich
fixed problem with web2py.js, thanks Niphlod
auth log messages are not longer translated, thanks Anthony
fixed issue 1575:rows.as_list serializes date and time fields as strings instead of date time.date, thanks Alan
fix for deprecated input-xlarge class to make input and select fields the same size.
Merge pull request #126 from swayf/feature/bootstrap_same_control_size

fix for deprecated input-xlarge class to make input and select fields...
updating jQueryUI version, 1.8 is not working with jQuery 1.10
fixed potential problem with unwanted translation of log messages
fixed potential problem with unwanted translation of log messages
speedup in case of keyed  tables
synced with gluino
fixes for small visual bugs in bootstrap layout

- form input error text when formstyle='bootstrap' has fixed width.
In narrow screens:
- topbar has space in left and right sides;
- login button in topbar is unlined.
sync'd with gluino again
allows add multiple submit buttons in "selectable" mode in SQLFORM.grid (with different decorate css classes)
html patch, thanks Jonathan, but TRHEAD commented
fix to web2py_bookstrap.css, thanks Paolo
fixed issue 1579:Row.__getitem__(): count of 0 raises AttributeError, thanks Dominic
Merge pull request #129 from michele-comitini/select_speedup1

speedup in case of keyed  tables