toolbox extension has moved to boost.

git-svn-id: http://gil-contributions.googlecode.com/svn/trunk/gil_2@778 74d2078f-e420-0410-9604-315c732a9900
toolbox extension has moved to boost.

git-svn-id: http://gil-contributions.googlecode.com/svn/trunk/gil_2@779 74d2078f-e420-0410-9604-315c732a9900
Fixed compiler errors for gcc and clang.

git-svn-id: http://gil-contributions.googlecode.com/svn/trunk/gil_2@780 74d2078f-e420-0410-9604-315c732a9900
Made sure c++11 and c++03 compiler can compile.

git-svn-id: http://gil-contributions.googlecode.com/svn/trunk/gil_2@781 74d2078f-e420-0410-9604-315c732a9900
Added overview of all supported compiler symbols.

git-svn-id: http://gil-contributions.googlecode.com/svn/trunk/gil_2@782 74d2078f-e420-0410-9604-315c732a9900
* fixed a bug with png's "fixed point" mode.
* fixed inconsistent line endings
* fixed compiler symbol errors

git-svn-id: http://gil-contributions.googlecode.com/svn/trunk/gil_2@783 74d2078f-e420-0410-9604-315c732a9900
Removed unnecessary code.

git-svn-id: http://gil-contributions.googlecode.com/svn/trunk/gil_2@784 74d2078f-e420-0410-9604-315c732a9900