Various typo fixes in NEWS + fix that reshape2:::dcast doesn't segfault anymore in NEWS. Updated benchmarks in dcast.data.table.

git-svn-id: svn+ssh://svn.r-forge.r-project.org/svnroot/datatable@1110 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
Updated windows .zip, added the install.packages command to install from R-Forge, and improved wording.

git-svn-id: svn+ssh://svn.r-forge.r-project.org/svnroot/datatable@1111 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
Added dradix in forder. Rounds to simplify tolerance.

git-svn-id: svn+ssh://svn.r-forge.r-project.org/svnroot/datatable@1112 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
dradix_r tidy

git-svn-id: svn+ssh://svn.r-forge.r-project.org/svnroot/datatable@1113 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
Merge branch 'refs/heads/r-forge-git-svn-local'
dradix tidy

git-svn-id: svn+ssh://svn.r-forge.r-project.org/svnroot/datatable@1114 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
Merge branch 'refs/heads/r-forge-git-svn-local'
More tidying in iradix and dradix

git-svn-id: svn+ssh://svn.r-forge.r-project.org/svnroot/datatable@1115 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
dinsert and iinsert calls moved to the top of their _r functions.

git-svn-id: svn+ssh://svn.r-forge.r-project.org/svnroot/datatable@1116 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
Minor tidying related to forder

git-svn-id: svn+ssh://svn.r-forge.r-project.org/svnroot/datatable@1117 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
Merge branch 'refs/heads/r-forge-git-svn-local'
dradix changed from 6*11bit to 8*8bit, then 6*8bit with bit twiddle for tolerance

git-svn-id: svn+ssh://svn.r-forge.r-project.org/svnroot/datatable@1118 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
Merge branch 'refs/heads/r-forge-git-svn-local'
Updated benchmark timings for reshape2:::melt.data.frame (with min of 3 runs)
Updated benchmark timings for reshape2:::melt.data.frame (with min of 3 runs)

git-svn-id: svn+ssh://svn.r-forge.r-project.org/svnroot/datatable@1119 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
Tidied forder.c.  Removed old timing tests from the start of tests.Rraw.

git-svn-id: svn+ssh://svn.r-forge.r-project.org/svnroot/datatable@1120 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
Merge branch 'refs/heads/r-forge-git-svn-local'
forder speedup for character

git-svn-id: svn+ssh://svn.r-forge.r-project.org/svnroot/datatable@1121 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
fixed reverse sort of 2nd column in dradix

git-svn-id: svn+ssh://svn.r-forge.r-project.org/svnroot/datatable@1122 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
Merge branch 'refs/heads/r-forge-git-svn-local'