[#59295112] Add missing files from checkin
@lefticus and @axelstudios do you agree with this change?

[#59295112]
Batch file for 64 bit build using visual studio express 2010
Merge remote-tracking branch 'remotes/upstream/develop' into 59295112-Ruby2_0_Sketchup
Ignore build directories named build_64
Improving the 64 bit MSVC 2010 express build batch file

[#59295112]
Improving error message based on Jason's feedback

[#59295112]
Don't build from command line, just configure environment and launch VS
Merge remote-tracking branch 'remotes/upstream/develop' into 59295112-Ruby2_0_Sketchup
Merge remote-tracking branch 'remotes/upstream/develop' into 59295112-Ruby2_0_Sketchup
Merge remote-tracking branch 'remotes/upstream/develop' into 59295112-Ruby2_0_Sketchup

Conflicts:
	.gitignore
Fix 64 bit compile warning
Merge pull request #671 from NREL/59295112-Ruby2_0_Sketchup

59295112 ruby2 0 sketchup