Replace hebrew glyphs to support bold text as well as vowel marks (nikod) properly.

This should only effect the Hebrew characters, all other glyphs are retained from the previous version.
The source of the new Hebrew font is from the DejaVu fonts project which has an appropraite free license.

Fix by Ron Regev.

Change-Id: I4f6a2f41b6ae240ea0baf0d2c81600029ff1f9dc