2014-04-07  Gerrit Holl  <gerrit.holl@utoronto.ca>:

	* pyatmlab-0-0-18

	* pyatmlab/collocations.py(CollocatedDataset):

	- Added some notes on essential TODO-optimisations in collocation
	algorithm.

	- Return same type (masked or not) as input

	* pyatmlab/dataset.py:

	(Dataset):

	- Read robustly, when reading many files, don't fail if a single one
	has a problem (optionally)

	(MultiFileDataset):

	- Have datefields and refields as attributes

	- Helper method _getyear

	- More appropriate implementation in _get_times_for_granule

	* pyatmlab/datasets.py:

	- Moved from pyatmlab/local/datasets.py

	- Renamed NDACCGainesBruker to NDACCAmes

	* pyatmlab/geo.py:

	- Started file, small utility to shift longitudes to common grid,
	should be used for collocation grid estimation

	* pyatmlab/local/datasets.py:

	- Moved all content that is not really local to its own file, keep
	only skeleton here