Fix for liquid soil moisture < 0 in some cases.
Merge pull request #124 from tbohn/hotfix/4.1.2.m

Fix for liquid soil moisture < 0 in some cases.
update version string
Merge branch 'hotfix.4.1.2.m'
Merge branch 'master' into develop

Conflicts:
	src/ChangeLog
	src/global.h
	src/runoff.c
Merge branch 'develop' into dev_5.0