Merge pull request #160 from khogenso/devel

Unit Tests!
Merge pull request #161 from khogenso/devel

Fix incorrect attempt to revert fix for RT11913.
More scons build files.
Make meta_get_corner_coords always initialize, fixes an autoregress failure
Merge pull request #162 from ninneman/devel

More scons build files.
Adjust gitignore to ignore an scons database file.
Merge pull request #163 from asfadmin/jsn

Adjust gitignore to ignore an scons database file.
Populate original_line/sample_count for seasat.
Fix seasat line and sample counts
Merge branch 'devel' of https://github.com/khogenso/ASF_MapReady into devel

Conflicts:
	src/diffmeta/diffmeta.c
Merge pull request #6 from asfadmin/devel

Devel