Fix install rule and main document page

Change-Id: I6eb836dd22d411f17fa46fb841b7c1a6d777ab11
Fix ParaViewWeb main server scripts.

Change-Id: I1a184e1fd2d23285a4330a1a5b2bcd9caff11186
Add relative path to ParaViewWeb apps from js-doc

Change-Id: Ie5e0da3d3e8ff7aae66ee925dcd74c6b5d7daead
Fix documentation link check...

Change-Id: I2825ef9e53a4697f3a7c6585743bc44ff24e4310
Merge topic 'fix-install-www-rules' into next

18f3160 Fix documentation link check...
4178ef0 Add relative path to ParaViewWeb apps from js-doc
a89178b Fix ParaViewWeb main server scripts.
ea95021 Fix install rule and main document page