changes to pipeline and pipe
added 'oapipeline' and 'oamodule' classes to modules and pipelines
changes to graphPipeline() and inputsList() to read new pipeline specs - not working
changed module class to 'module'
changed pipeline class to 'pipeline'
created simplified pipe() function
merged devtools changes from master
updated docs
fixed new pipe() function
changed 'Module' to 'Component' within pipe()
fixed graphPipeline
working on inputsList()
runPipeline() now runs new pipeline scheme
more documentation on pipeline running functions
migrating documentation to roxygen
moving documentation to roxygen
updating docs
updated savePipeline()
updated exportPipeline() to new pipeline setup
further documentation of exportPipeline()