Supress error message by debugLevel and output qRefIn to qRefOut when torque controller does not work due to some fault of input.
Merge pull request #222 from orikuma/supress-torque-controller-error

Supress torque controller error
Modified and supressed error messages for TorqueFilter
Added timestamp to tf.rtc:tauOut and modified method to deal with input error
Modified debug message position for tf params
Merge pull request #224 from orikuma/modify-torque-filter-message

Modify message of TorqueFilter and add timestamp
fixes typos
Merge branch 'master' of https://github.com/fkanehiro/hrpsys-base
adds a new component, PlaneRemover
fixes typos(again)
add getRTCList for unstable RTCs
Merge pull request #225 from snozawa/add_getRCTList_for_unstableRTC

Add getRTCList for unstable RTCs
Removed TwoDofController, which is not used in ThermoLimiter now
adds return value of setConfiguration() and setProperty()
Merge pull request #226 from orikuma/refactoring-thermo-limiter

Removed TwoDofController, which is not used in ThermoLimiter now
adds a configuration variable pointNumThd to specify the minimum number of points to define a plane