Add an example that computes cross terms in atomic Hessian sparsity patterns.

add_copyright.sh: change /* $Id:$ */ -> // $Id$
optimize_cexp.sh: this bug has been fixed.

git-svn-id: https://projects.coin-or.org/svn/CppAD/trunk@3505 0e562018-b8fb-0310-a933-ecf073c7c197
makefile.in: automatic change from corresponding makefile.am.

git-svn-id: https://projects.coin-or.org/svn/CppAD/trunk@3506 0e562018-b8fb-0310-a933-ecf073c7c197
Must use old variable index to mark variables used as replacements for
other variables (that have been removed).

git-svn-id: https://projects.coin-or.org/svn/CppAD/trunk@3507 0e562018-b8fb-0310-a933-ecf073c7c197
new_stable.sh: Converting from running in svn repo to running in git repo.

git-svn-id: https://projects.coin-or.org/svn/CppAD/trunk@3516 0e562018-b8fb-0310-a933-ecf073c7c197
new_stable.sh: copy changes from 2015000 version of this file.

git-svn-id: https://projects.coin-or.org/svn/CppAD/trunk@3517 0e562018-b8fb-0310-a933-ecf073c7c197
new_release.sh: copy 20150000:bin/new_release.sh to master.

git-svn-id: https://projects.coin-or.org/svn/CppAD/trunk@3518 0e562018-b8fb-0310-a933-ecf073c7c197
1. Fix some clang 3.5 warnings about local functions that were not used.
2. Change ndebug -> adfun_copy and test error on ADFun copy constructor usage.

CMakeLists.txt: remove duplicate compliation of eigen_soruces.
makefile.am: :

git-svn-id: https://projects.coin-or.org/svn/CppAD/trunk@3519 0e562018-b8fb-0310-a933-ecf073c7c197
run_cmake.sh: add --clang option.
CMakeLists.txt: fix cppad_implicit_ctor_from_any_type.
test_more.cpp: fix mistake in previous commit.

git-svn-id: https://projects.coin-or.org/svn/CppAD/trunk@3520 0e562018-b8fb-0310-a933-ecf073c7c197
Clang++ compiler was optimizing out the calculations in these speed tests.

git-svn-id: https://projects.coin-or.org/svn/CppAD/trunk@3522 0e562018-b8fb-0310-a933-ecf073c7c197
Remove not_complex_ad.cpp example becasue std::complex< AD<Base> > is not
specified in the C++ standard.

check_include_omh.sh: imporve comments about restrictive assumptions.

git-svn-id: https://projects.coin-or.org/svn/CppAD/trunk@3523 0e562018-b8fb-0310-a933-ecf073c7c197
Test:
1. push a minor edit to github.
3. pull the edit from githug to brad's git-svn version of repository.
4. push the change to coin subversion copy using git svn dcommit.

git-svn-id: https://projects.coin-or.org/svn/CppAD/trunk@3527 0e562018-b8fb-0310-a933-ecf073c7c197
Update README file.

git-svn-id: https://projects.coin-or.org/svn/CppAD/trunk@3528 0e562018-b8fb-0310-a933-ecf073c7c197