Merge pull request #39 from Circuitscape/tanmaykm

Multiple chanegs and fixes
Added two mgNetworkVerify tests, updated one test

Added two new advanced mode network tests, removed logging from
mgNetworkVerify1 ini file.
Pythoncard GUI revamp and focal region auto-detect

GUI changes to allow network mode access.   Several components removed
and their functions placed in options menu. Updated cfg.py to work with
changes.

Focal regions vs. focal points now auto-detected in compute.py rather
than set in gui.
Minor change to report_menu_files

One case with network mode wasn't showing up in console report, now
fixed.
Comment out logo in rsrc file
Merge pull request #42 from Circuitscape/bmcrae

Pythoncard GUI revamp and focal region auto-detect
moved point_file_contains_polygons to state
corrected bug in setting autodetected point_file_contains_polygons
removed point_file_contains_polygons from config files
added log handler to verification routine
merging changes from PR #45
new as_dict method in cfg to be used in cloudCS
Changes to file dialog and warning text
read config files with utf-8 bom markers
Update circuitscape_4_0.md
corrected cases of filenames (was failing on linux)
removed dependancy on wx/Pythoncard in console mode
removed csverify_large.py (moved to BigTests repo)
Second GUI overhaul- added options window
Change to cfg to match new options window
Added .txt extension to raster browse dialogs
changed rsrc to dict, updated rsrc file name, show options method name
Merge pull request #48 from Circuitscape/guiUpdate

Second GUI overhaul- added options window
log time & level only at DEBUG level. Fixes #49
Added network example and graphic for doc

New files for network example in examples directory, plus one graphic
for user guide. More to come.