* topsApp.xml: add downsample_snaphu
* stackSentinel: bugfix if --bbox not specified in cmd
* stack*/unwrap: print time used msg
+ print out the time used message using time.time()
+ remove unused module imports
+ indentation adjustment
* cuDenseOffsets: add --fix-image-vrt
* fixImageXml: support multiple files w/ wildcards
@falkamelung noted a race condition in #106 due to non-atomic directory
checking followed by os.makedirs. This pattern exists in many places
in the codebase so I went ahead and replaced the rest of them.
The new exist_ok usage should be terser and more idiomatic.
Stack:
+ add alks and rlks while writing config file for unwrap
unwrap:
+ calculate the az/rg spacing/resolution and the equivalent number of independent looks in extractInfoFromPickle()
+ uncomment corrlooks setting in runUnwrap()