update changelog for next release

git-svn-id: https://projects.coin-or.org/svn/Ipopt/trunk@2427 ef2a96d0-92f8-0310-a3c1-cdaa70078a94
Squashed 'BuildTools/' content from commit 8440abf

git-subtree-dir: BuildTools
git-subtree-split: 8440abf18140b1dd371178db4004623de640f739
Merge commit '8987b22a6efd8f45acb47ba4a4b924e65f012a02' as 'BuildTools'
Squashed 'ThirdParty/ASL/' content from commit 01f905f

git-subtree-dir: ThirdParty/ASL
git-subtree-split: 01f905fad5135cd140fc2e5f9df2a3f714497dab
Merge commit 'fc94ce0ec949d8c7b9eeb6e61a2045b44bef3467' as 'ThirdParty/ASL'
Squashed 'ThirdParty/Metis/' content from commit 4ecc202

git-subtree-dir: ThirdParty/Metis
git-subtree-split: 4ecc202e41a87600d47f2b8c7b35e8ab2b092ff6
Merge commit 'a319d5955f57895d5188b3d7fb9509c1fc83a762' as 'ThirdParty/Metis'
Squashed 'ThirdParty/HSLold/' content from commit 47baaa5

git-subtree-dir: ThirdParty/HSLold
git-subtree-split: 47baaa55a254ac0f81838cdaccb4b9b7fbfe6500
Merge commit 'c194ae21e18a59f633ed3c6543add904734c1c01' as 'ThirdParty/HSLold'
Squashed 'ThirdParty/HSL/' content from commit 514a81c

git-subtree-dir: ThirdParty/HSL
git-subtree-split: 514a81c21359f7d7942392f8a581cf1b888030fd
Merge commit 'f5f52d0dc370a9e0778b5ff87a9daa2219905386' as 'ThirdParty/HSL'
Squashed 'ThirdParty/Blas/' content from commit 7a762dc

git-subtree-dir: ThirdParty/Blas
git-subtree-split: 7a762dc1e0dcb1bed1c17017533bef5f8a2a2911
Merge commit '3ca6a67387819acfa52e3c7b5168f45077a6f5ee' as 'ThirdParty/Blas'
Squashed 'ThirdParty/Lapack/' content from commit 7a16e19

git-subtree-dir: ThirdParty/Lapack
git-subtree-split: 7a16e1928bdd50b931848260d9af78a7c7137d1d
Merge commit 'aff75addebf9613e84d816f419a6817460b67325' as 'ThirdParty/Lapack'
Squashed 'ThirdParty/Mumps/' content from commit cd96474

git-subtree-dir: ThirdParty/Mumps
git-subtree-split: cd96474d77dc1a6e558f053351e72d4df83e6f2b
Merge commit '26f77572df9671bc77a7149931c1205f37005f6f' as 'ThirdParty/Mumps'