Improved the operation of LevelProjector in 2D

git-svn-id: svn://svn.code.sf.net/p/elmerfem/code/trunk@6934 04224531-1f84-46d8-96ce-875b9e37dce3
minor update in test case

git-svn-id: svn://svn.code.sf.net/p/elmerfem/code/trunk@6935 04224531-1f84-46d8-96ce-875b9e37dce3
minor update in test case


git-svn-id: svn://svn.code.sf.net/p/elmerfem/code/trunk@6936 04224531-1f84-46d8-96ce-875b9e37dce3
suppress some excessive output in test case


git-svn-id: svn://svn.code.sf.net/p/elmerfem/code/trunk@6937 04224531-1f84-46d8-96ce-875b9e37dce3
Inserted a missing "x" 


git-svn-id: svn://svn.code.sf.net/p/elmerfem/code/trunk@6938 04224531-1f84-46d8-96ce-875b9e37dce3