Remove dead/useless code

Change-Id: Ie0c72fb3a52b6a45d1b83dd6d0ca9f769e3ca454
Fix the warning:
Syntax "vector ^ scalar" is obsolete. It will be removed in Scilab 6.0.
Use "vector .^ scalar" instead.

Change-Id: I6f74ad5d0368fd34f9de0af756e718926962298a
Disable the display of the log while building the documentation

Change-Id: I6c909910a65bd198977aceffccf4faedc8c8a68e
Add missing directories for languages

Change-Id: Iafcce45bde641005eb67fa7655b3df61720de155
Remove dead code in the spreadsheet module
Found thanks to the code coverage

Change-Id: I3b4e3650f90b1563de1eee5e89cb65aa280b2d24
Remove the dot notation warning when it appears in a string;
to reproduce it define the function:
function t=foo,t="%s: almost 0.\n",endfunction

Change-Id: Ia9d789518019b54880aad2a8f952c3937ebe16fa
* Bug #10606 fixed - unix_g did not return stdout in somes cases.

Change-Id: I758a49cca90159cabe8292ef4a13715768a32952