Added configuration files for all databases, updated the doc accordingly

Closes #2 and #3

See merge request !11

Added the doc on the baselines for Aggregated Db for all 3 PAD pipe-lines

See merge request !10

Added the Aggregated Db HLDI, config files for the baselines, updated the doc

See merge request !9

Added reduced training data option to VideoSvmPadAlgorithm + created baselines configs for Aggregated Db

Added unit tests for all preprocessors, extractors, algorithms, excluding qualitymeasure related stuff

See merge request !8

Completed experiments for the Replay-Mobile and MSU MFSD DBs + HLDI's + updated preprocessors

See merge request !7

Updated FrameDifference preprocessor to deal with missing and excess annotations + doc on baselines for MSU MFSD

Update to new docs server location

See merge request !6