Merge branch 'hotfix/1.7.3'
Added brief description of new space transformation
TD-3871 (Generic family names should not be quotes)
TD-3827 Title page image appears at top
Don't require reboot on Ubuntu
Update build instructions
don't require reboot on pathway install -2nd try
TD-3830 Page number appear in xelatex output
Task completed for TD-3854
TD-3837 (Squares box appears in the copyright page when exporting scriptures)
TD-3842 Add bidi to XeLaTeX installation
TD-3842 Add bidi to XeLaTeX install script
TD-3842 XeLaTeX installer updates
Merge branches 'master' and 'develop' of ssh://github.com/sillsdev/pathway into develop