Javascript issue in resume

Version: 1.5, 1.6, master
Platform: all
Browser: Javascript turned off

There are more Javascript issues:

 1. on page /artefact/resume/index.php
   - No 'Edit' button in 'Cover letter'
   - The content of 'Cover letter' in HTML format is not displayed.
   - 'Calendar' in 'Personal information' button don't work
   - 'Save' button in 'Personal information' don't work

 2. on page /artefact/resume/employment.php
   - The contents of 'Education history' and 'Employment history' are not displayed.

 3. on page /artefact/resume/achievements.php
   - The contents are not displayed.

 4. on page /artefact/resume/goals.php
   - The contents in HTML format are not displayed.

 5. on page /artefact/resume/skills.php
   - The contents in HTML format are not displayed.

 6. on page /artefact/resume/interests.php
   - The contents in HTML format are not displayed.
   - 'Save' button works but it redirects to the 'Skills' tab

This bug relates to many pages and heavy uses of javascript for rendering and manage the table (using old 'tablerenderer').

Here are the patches for this bug:

https://reviews.mahara.org/1889
https://reviews.mahara.org/1890
https://reviews.mahara.org/1891
https://reviews.mahara.org/1892

Test cases

1. Log in as a user
2. Click Content, then Resume

+ Make sure all tabs "Introduction", "Education...", ... do work.
+ All buttons
+ All input fields

Help icons still do NOT work in this patch.

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