Merge branch 'master' into core-updates

gnu: lua: Add older version 5.1.5.

* gnu/packages/lua.scm (lua-5.1): New variable.

gnu: lua: Upgrade to 5.2.3.

* gnu/packages/lua.scm (lua): Upgrade to 5.2.3.

gnu: lua: Compile with -fPIC.

* gnu/packages/lua.scm (lua): Add -fPIC to CFLAGS and LDFLAGS.

gnu: lua: Install man pages in share/man.

* gnu/packages/lua.scm (lua): Use 'system*' instead of 'system'.
  Add INSTALL_MAN argument to 'make'.

Merge branch 'master' into core-updates

gnu: luajit: Update to 2.0.3.

* gnu/packages/lua.scm (luajit): Update to 2.0.3.

Merge branch 'master' into core-updates

Conflicts:
	gnu-system.am

gnu: Add luajit

* gnu/packages/lua.scm (luajit): New variable.

Signed-off-by: Ludovic Courtès <ludo@gnu.org>

Merge branch 'master' into core-updates

Conflicts:
	Makefile.am
	gnu/packages/base.scm

gnu: Add lua.

* gnu/packages/lua.scm: New file.
* Makefile.am: add it.