fixes for comments from Dave Abrahams.

svn path=/trunk/libs/phoenix/; revision=75778
Phoenix: fixed #6360: Patch for "begin/end ambiguity"

svn path=/trunk/boost/phoenix/; revision=76495
merge [77446] from trunk

svn path=/branches/release/libs/phoenix/; revision=77447
merge  [77417],[77437],[77422],[77587] from trunk

svn path=/branches/release/libs/phoenix/; revision=77589
merge [77416] from trunk, fixes #6131, fixes #6455

svn path=/branches/release/libs/phoenix/; revision=77591
Merge: Allow to specify how option's value is named in help message.

Fixes #4781.

svn path=/branches/release/libs/phoenix/; revision=77932
added note to current and future maintainers to please make this as
lightweight as possible (as it is right now).

svn path=/trunk/boost/phoenix/; revision=78205
Merged bug fixes for Boost.Graph and Boost.PropertyMap from trunk

svn path=/branches/release/libs/phoenix/; revision=78639
Merged in more trunk bug fixes for Boost.Graph and Boost.PropertyMap

svn path=/branches/release/libs/phoenix/; revision=78641
Merged warning fixes from trunk

svn path=/branches/release/libs/phoenix/; revision=78652
Merged first batch of 1.51 changes for Boost.Graph and Boost.PropertyMap

svn path=/branches/release/libs/phoenix/; revision=79189
Second batch of Boost.Graph and Boost.PropertyMap changes for 1.51

svn path=/branches/release/libs/phoenix/; revision=79191
Boost.Phoenix:
    - Adding boost::phoenix::expression::function, aliasing
      boost::phoenix::detail::expression::function_eval, this makes the example
      compile again


svn path=/trunk/boost/phoenix/; revision=79223
Merged more changes (bug fixes, especially hopefully fixing the VC++ test failure) from trunk

svn path=/branches/release/libs/phoenix/; revision=79390
Merged bug fix from trunk

svn path=/branches/release/libs/phoenix/; revision=79393
add support for transform environment with slots for key/value pairs

svn path=/trunk/boost/phoenix/; revision=79632
qualify calls to phoenix::env to avoid name lookup clashes with proto::env on gcc

svn path=/trunk/boost/phoenix/; revision=79640
Merge program_options revisions 79280 and 79283.

svn path=/branches/release/libs/phoenix/; revision=79758
Merged r79227 from trunk, hopefully fixing all VC++ Boost.Graph Graphviz test issues

svn path=/branches/release/libs/phoenix/; revision=79771
merge [79632], [79640], [79678], [79686], [79711], [79713], [79725], [79742], [79920] from trunk

svn path=/branches/release/boost/phoenix/; revision=80297