Subject: ReCaptcha for 'Contact us' form.

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Subject: YouTube's video link on 'History section.'

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Merge branch 'captcha'
Subject: Edit Coordinator profile.

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Subject: Update coordinator's profile.

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TODO:
- Make previous Coordinator's `username` in_active
- Create a database to store previous coordinators details
- This database-coordinator should be one-to-many.
Subject: Deactivate old user if username has changed.

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Subject: BUGFIX: Search Coordinator in Admin page

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ERROR was: Related Field has invalid lookup: icontains
Subject: BUGFIX #43

Description:
settings for captcha
adding captcha
Subject: Included django template tags: safe, linebreaks

Description:

- safe: If someone want to use html tags within text-field.
- linebreaks: Break line wherever it is in text-field.
Subject: Changed title of 'pubs'

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- Minor formatting to templates like |safe|linebreaks and |capfirst.
Subject: Display django-admin interface link for superuser.

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Subject: Updated Google+ link & year

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Subject: Fixed headers

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Subject: Notification subject changed.

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- Added 'aakashmhrd@gmail.com' to mailing list.
Merge https://github.com/psachin/aakashlabs into main_page
Subject: BUGFIX: Coordinator do not have method 'name'.

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Subject: BUGFIX #20

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Subject: Code optimization.

Description:

- Increment download count in ac/models.py