updates
- added splash screen before loading SIDD
- re-organize UI for window resize
- MS tree now stayed expanded after update
- new MS branch screen with dropdown options and showing total percentage after
  percentage
- added preview/query of all input layers and exposure (thematic color)

code refactoring
- use new pyQt style for slots/signals
- moved slots connect code out of ui\qt module (generated by designer)
  into ui module (user generated) code
- organization of imports
updates
- allow attribute ordering during Mapping Scheme creation
- allow defining range for Year/Heights during Mapping Scheme creation
- multiple ui fixes
updates
- new processing option allowing generating exposure from three methods
  - monte-carlo, fraction, fraction rounded
- run fragmentation and building count analysis on result and display report
  on preview screen
- export shapefile separates geometry and attributes
- export exposure to CSV file
- export Mapping Scheme leaves as CSV files
- multiple bug fixes

test updates
- datasets to match test cases
- update code in test cases