refactored TemporalEventPiecewiseLinear
now has a membership_function of type FunctionPiecewiseLinear
TemporalEventTrapezium functional again
fixed 'plot' of TemporalInstance
function_convolution_generic functional
generic_formulas now does what dario wanted to do
Merge pull request #376 from jadeoneill/master

PLN rules
wrote 'mean' for ProbabilityDistributionPiecewiseLinear
PLN Chainer class should set the value of instance variable learnRuleFrequencies when initialized, because the AbstractChainer class expects learnRuleFrequencies to have a value.
wrote '+' operand for TimeInterval
Merge pull request #378 from jadeoneill/master

PLN testing
atomspace: move incoming set to the atom
Benchmark atom removal
benchmark bugfix
benchmark updates & bugfixes
atomspace README update status
Merge pull request #379 from linas/master

Decentralize the incoming set, update benchmark results
Merge pull request #377 from cosmoharrigan/RunPLN

PLN Chainer class should set the value of instance variable learnRuleFre...
generic_formulas almost done
Merge branch 'master' of github.com:opencog/opencog
Merge pull request #380 from keyvan-m-sadeghi/master

Interval Algebra, new formulas