Added function to extract a zoo object from a raster brick
Merge branch 'master' into develop
updated bfmSpatial documentation according to Jan's suggestion (see "Value" field)
Fixed bug. Comparing objects of different classes
Merge branch feature-zooExtract; solved merge conflict on NAMESPACE by re-oxygenating package

Merge branch 'feature-zooExtract' into develop

Conflicts:
	NAMESPACE
Added zoo to list of dependencies
Started bfmZoo function, to run bfastmonitor on zoo objects and return a dataframe (vectorized)
Function to run bfastmonitor on a (multiple) zoo time-series. And return a dataframe
Added elypsis on extract (zooExtract function) to allow e.g. functions to be passed when sample is a spatialPolygon object
Function to run bfastmonitor on an sp object (overlayed to a rasterBrick) in progress.
Adapted TC components based on suggestion by Tom Bewernick
Extented bfmZoo documentation
Finished and documented bfmSpOver function, still need to validate and write example section
Added new dataset (SpatialPolygons with 3 polygons located in tura)
Set of functions to run bfastmonitor object based and point based added
Re-oxygenized the packages, bfmSpOver function working for the example
fixed bug in bfmZoo
Fixed documentation error in bfmSpOver and bfmSpatial
Added error catcher to bfmZoo and expanded return object content. Also the way the dataframe is constructed (bfm2df function) is now more flexible for further editing
Re-oxygenized package