rbindlist gets use.names and fill argument, and all implementation moved to C. Closes #5612, #5158, upgrades #4790 as filed in #5249.

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/datatable@1266 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
Updated NEWS.

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/datatable@1267 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
Minor typo fixes. No changes to code.

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/datatable@1268 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
Closes #5647. `DT[, LHS := RHS, by=.]` doesn't segfault now when length(RHS) > .N  for any/all groups.

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/datatable@1269 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
Better (and consistent) handling of duplicate names during subset. Closes #5008 and $5688.

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/datatable@1270 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
Rolled back a change to handling duplicated names for joins because tests are not added yet. Removed spaces in test.

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/datatable@1271 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
Replaced 'chmatch2' with a ~14x faster version. Perhaps this function could be useful and should be exported?

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/datatable@1272 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
When DT is empty, DT[, newcol:=max(b), by=a] now properly adds the column. Closes #5376.

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/datatable@1273 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
Closes #5714. DT[, j, with=FALSE] when length(j)=0 returns null data.table properly as before now. Fixed a possible regression.

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/datatable@1274 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
Closes #5435. print.data.table repeats 'digits=' argument for list columns as well.

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/datatable@1275 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
Added NCOL to tables()

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/datatable@1276 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
Closes #5442. Stricter checks and warnings during coercion of columns during DT[, LHS := RHS.

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/datatable@1277 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
Closes #5357. DT[, LHS := RHS] (or its equivalent 'set') now provides warning instead of error when length(LHS)=0.

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/datatable@1278 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
Minor fixes to .Rd and global variable to fully pass R CMD check.

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/datatable@1279 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
Fixed "internal value of TRUE has been modified" with R 3.1 when all groups are size 1 and there's a logical column.  Wasn't filed on tracker, just datatable-help (1 May 2014).

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/datatable@1280 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
FR #5290, #5760 and #5528.

    FR #5290 - Using .I in j will name the column as "I", similar to .N's usage.
    FR #5760 - GForce is optimised to work with j-expressions with .N.
    FR #5528 - setDF.

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/datatable@1281 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
Deprecated NEWS file on R-Forge and pointed to GitHub.

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/datatable@1282 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
Pointed links to GitHub.

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/datatable@1283 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
Updated presentation links.

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/datatable@1284 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
Simplified presentation links.

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/datatable@1285 edb9625f-4e0d-4859-8d74-9fd3b1da38cb