[ANN] Version 1.0.0 of Xsys, Time, Rclient, LJSQLite3

[Stefano]

The first stable versions of these libraries are now available at:
http://scilua.org

The GitHub repositories can be found at:
http://github.com/stepelu

Please use the corresponding issue trackers to submit bug reports,
feature request or to contribute to the development.

## Major changes:

[Xsys] LuaJIT General Purpose Routines
+ table.join() and table.merge() has been renamed

[Time] Manipulation of Dates and Periods in LuaJIT
+ full support of Windows, OSX, Linux for nowutc(), nowlocal(), sleep()

[Rclient] LuaJIT Client for Rserve
+ simplified the API for exchanging data between LuaJIT and R
+ bugfixes (especially for Windows)

[LJSQlite3] LuaJIT SQLite Binding
+ allow redirection of output for pseudo-sqlite-client mode

## Other updates:

[Sci] General Purpose Scientific Computing in LuaJIT - beta6
+ compatibility update to Xsys 1.0

[LuaJIT Universal Pack] LuaJIT 2.0 and 2.1 binaries for Windows, OSX, Linux
+ removed ZeroMQ, llthreads

## Going forward:

+ [Xsys]
- REPL with autocomplete functionality (cdata included)
- threads for Windows, OSX, Linux (no data exchange included)
- package manager
+ [LuaJIT Universal Pack]
- nanomsg (also to exchange data between threads)
- LuaFilesystem
+ [Sci]
- L-BFGS
- custom syntax for vector / matrix operations
- other statistical distributions
- parallel computing (RNG, data exchange and merge)
- 1D function minimisation
- expand linear algebra routines
- expand special functions coverage
+ release tseries: time series library
+ release bblab: automated inference framework

Stefano