Merge 73299,73301,73308 from ^/trunk
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r73299 | jhunold | 2011-07-22 14:08:03 +0200 (Fr, 22 Jul 2011) | 2 lines

Enable visibility support. Refs #2114.

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r73301 | jhunold | 2011-07-22 16:15:45 +0200 (Fr, 22 Jul 2011) | 2 lines

Enable visibility support. Refs #2114.

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r73308 | jhunold | 2011-07-23 11:24:35 +0200 (Sa, 23 Jul 2011) | 2 lines

Enable visibility support. Refs #2114.

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Merge from trunk.
Merge: Allow to specify how option's value is named in help message.

Fixes #4781.
Summary: Moved libs/detail/utf8_codecvt_facet.cpp to boost/detail/utfâ¦â¦8_codecvt_facet.ipp
Author: Dave Abrahams <dave@boostpro.com>
Merge from trunk.
Merge program_options revisions 79280 and 79283.
Merge: Really fixes #7049.