Chrono: Extract stopwatches doc on specific files

[SVN r80426]
Chrono: Added BOOST_CHRONO_PROVIDES_DEPRECATED_IO_SINCE_V2_0_0 macro

[SVN r80443]
Chrono: remove duration copy constructor so default applies: issue #7381

[SVN r80536]
Chrono: Make use of BOOST_TRY family macros

[SVN r80542]
Chrono: Update history 7381

[SVN r80543]
Chrono: try to fix 7479

[SVN r80897]
Chrono: Added some warning removal on intel and fix explicit bool conversion issue

[SVN r80949]
Chrono: added forgotten fix for explicit bool conversion issue

[SVN r80950]
Chrono: document fix for 7493

[SVN r80956]
Chrono: try to manage with ref #7542

[SVN r81033]
Chrono: remove trace

[SVN r81039]
Chrono: ref #7546

[SVN r81040]
Chrono: rework the time_point_input test for system_clock

[SVN r81041]
Chrono: Added internal time_get::get() + fixed some issues in test time_point_input

[SVN r81044]
Chrono: disable the time_point<system_clock> i/o specialization

[SVN r81045]
Chrono: update doc disabling time_point<system_clock,D> formatter/parser specializations

[SVN r81051]
Chrono: remove some warnoings

[SVN r81094]
Chrono: remove some warnoings

[SVN r81095]
Chrono: remove some warnoings

[SVN r81096]
Remove usage of deprecated macros

[SVN r81444]