mostly from trunk r1521957: install .pdb files unless requested otherwise, tweak todo list

git-svn-id: https://svn.apache.org/repos/asf/apr/apr/branches/1.4.x@1521958 13f79535-47bb-0310-9956-ffa450edef68
from trunk r1522649: set binary attributes for dlls via libapr.rc

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backport of r1523355: build aprapp-2.lib and libaprapp-1.lib

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fix spelling in a comment

Backport of r739635 from trunk resp.
r1528780 from 1.5.x.


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spelling fix

Backport of r1462813 from trunk resp.
r1462819 from 1.5.x.


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Update config.guess and config.sub from
http://git.savannah.gnu.org/cgit/config.git.

Backport of r1528809 from trunk resp.
r1528811 from 1.5.x.


git-svn-id: https://svn.apache.org/repos/asf/apr/apr/branches/1.4.x@1528812 13f79535-47bb-0310-9956-ffa450edef68
Add change.


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definAtely

Backport of r1213382 from trunk resp.
r1528818 from 1.5.x.


git-svn-id: https://svn.apache.org/repos/asf/apr/apr/branches/1.4.x@1528819 13f79535-47bb-0310-9956-ffa450edef68
Update version list.


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