Merge pull request #61 from nlanget/dev-reloc

Magnitude
Improved legibility
Added sanity check on origin time and lenth of stack
Added option to use RAM for speed
Fixed bug with use_ram case

Set dtype to float32 for migration arrays to be compatible with the 'f'
option in hdf5 files.
Changed order of stack_grid array to 'F' so that the resize command
works as expected.
Removed some debug statements
Merge pull request #62 from nlanget/master

Nadege to Alessia
Merge pull request #63 from nlanget/master

Merge 2
Cleaned up spurious line
Turned strings into unicode for output to loc file
Test signature changes
Removed spurious print statement
Modified skip-ing of certain tests
Added .mat files to test_data
Fixed path to .mat files for tests
Started fixing integer warning problem

Issue #68
Merge branch 'master' of https://github.com/amaggi/waveloc

Conflicts:
	PyProgs/clustering.py
Fixed matplotlib.mpl deprecation warning
Added resolution example (unfinished)
Smoothed the max_val before location