Log Message:
tex-elsarticle{,-doc}: update to 3.4

1. Frontmatter: Overfull \hbox has occurred while \output is active.

2. Footnotes: Updated to use non Arabic footnote numbers.

3. Author-affiliation:  Updated for author-wise affiliation coding.
   The problems with the last author affiliation repeating for all
   authors is fixed.

4. Accent characters in address:  Accented characters in organisation
   field showed error. Hence loaded fontenc package.

5. Removed extra space appearing after 'Appendix' label

6. Updated for listing author affiliation below author names if
   \affiliation command is used immediately after \author
   (To match behaviour of \address command)

7. Examples for figures, tables and equations are added in templates.