change year to 2014
Delete roadmap.txt
Delete descriptorsStandards.txt

this was moved in the tutorial section
splitted unit tests
renamed .hpp as .h
Merge pull request #47 from ethz-asl/feature/split_unit_tests

splitted unit tests
CutAboveLevelDataPointsFilter
CutBelowLevelDataPointsFilter
corrected name of default field
test for CutAboveLevel and CutBelowLevel filters
fusing CutAboveLevel and CutBelowLevel and renaming
fixed test by copying point cloud
Merge pull request #48 from ethz-asl/cutDataPointsFilter

Cut data points filter
ensure that overlap is computed in 2D
add play button on videos
add play button on all youtub links
remove duplicate
add time functionnalities in the header
generalize assertConsistency
finish adding time to DataPoints