Move TTR/trunk from old repository to pkg/ in r-forge repository
_Correctly_ move TTR/trunk from old repository to pkg/ in r-forge repository
- Changed MA-type args and updated documentation for
  ADX, ATR, CCI.
Changed MA-type args and updated documentation for DPO, EMV, RSI,
bollingerBands, chaikinVolatility, stoch, SMI.
Changed MA-type args and updated documentation for TRIX, MACD,
and KST.

Corrected SMI code and documentation for incorrect MA-type arg
change.

Corrected TRIX, stoch, and SMI documentation for 'maType'.

Renamed 'bollingerBands()' to 'BBands()'.

Added NAMESPACE.
match.arg(type) in ROC changed to simple subsetting of type
fixed trailing 0s to trailing NAs
Updated DESCRIPTION, CHANGES, and man/TTR.Rd files prior
to submitting to CRAN.
- Revert ROC function to previous version
- Added ZigZag indicator (without documentation)
- Added code to set last two values of the Zig Zag series
- Corrected NaN replacement in CLV
- Removed .First.lib function and added .onLoad with package version.
- Make the following changes to ZigZag:
  - added lastExtreme T/F arg
  - added retrace T/F arg
  - added percent T/F arg (affects the change arg)
  - added change arg (formerly named 'retrace')
- Corrected runMedian and runMAD.  The arg controlling which
  type of median to calculate for even-numbered samples wasn't
  being passed to the Fortran routine.
- Corrected ZigZag to go to top of loop at signal change
- Added volatility estimators/indicators and documentation.
- Added Money Flow Index function and documentation.
- Converted runSum, wilderSum, runMin, runMax, runMedian, runMAD to use xts
- Removed 'x <- na.omit(x)' from the above functions to aviod input attributes,
  which would be passed to result object via 'reclass(result, match.to=x)'
- Added 'Depends: xts' to DESCRIPTION file
- Converted ROC, momentum, volatility to use xts
- Moved NA replacement in runFuns to *after* reclass
- runFuns no longer change the input variable(s), in order to use the
  match.to functionality of reclass().