fkanehiro/hrpsys-base — pull request #357 by k-okada (2014-10-07 01:26:17+00:00)
Title: fix for old pcl

- current cmake file will not work on old cmake, this raise error before precise..

```
CMake Error at rtc/DataLogger/CMakeLists.txt:11 (if):
if given arguments:

"PCL_FOUND" "AND" "GREATER" "6"

Unknown arguments specified

-- Configuring incomplete, errors occurred!
```