Add institution statistics

[Hugh Davenport]

Similar to site statistics (available at /admin/statistics.php).

Also adds statistics on the number of each blocktype, artefact, etc etc

Also adds a page to compare institutions to the main site statistics

Also allows site and institution staff to view statistics.

Funded by the Ministry of Education, NZ

[Hugh Davenport (hugh-davenport)]

https://reviews.mahara.org/#/q/project:mahara+branch:master+topic:statistics,n,z

http://gitorious.org/mahara/mahara/commit/42da60805922eb16b2a378229ba925def7a68a20

http://gitorious.org/mahara/mahara/commit/2e11194947f13bf33b6ff8f8f5092f427c3fc6fd

http://gitorious.org/mahara/mahara/commit/3be3f8158aa94ca7feefa50d3b4ed9f99564080f

http://gitorious.org/mahara/mahara/commit/81128042b907a594b4944ace370113a3c11da005

http://gitorious.org/mahara/mahara/commit/d2a1852c5cb851b863152d3f7cb87be2ec6bca89

http://gitorious.org/mahara/mahara/commit/33e184ff0d7039e7f8cbd0d18083ad7e811021f2

http://gitorious.org/mahara/mahara/commit/9b6349c0751d3f0387835a7a389279ed7158e68c

http://gitorious.org/mahara/mahara/commit/a5ccb01fc23dff7341a827fa4dbc050397bcf4c9

http://gitorious.org/mahara/mahara/commit/d25951a3e1dc4a8b21495de51de6c229b805fc9b

http://gitorious.org/mahara/mahara/commit/f8534d8b17f78338b86bbc9d4eb5c74dfe5b771e

http://gitorious.org/mahara/mahara/commit/09b9707950ed94d7423afd32a49d059c9935377f

http://gitorious.org/mahara/mahara/commit/4e1cc460ffe39e0de2e46c1796ccc26d0c986185

http://gitorious.org/mahara/mahara/commit/25022deb24b64e5a3a22d5b0f0f51a002f05488a

http://gitorious.org/mahara/mahara/commit/1c9453319b2d19ee0cce4606a6bc6b3e35fdcbbb

http://gitorious.org/mahara/mahara/commit/959ed6611d47bafb25443956e7c4faf2de479b46

http://gitorious.org/mahara/mahara/commit/40be9ab41f2053c84a108eef53658070c5a90f12

http://gitorious.org/mahara/mahara/commit/75beb1f7ecf97c968857391034008a59d8204d0b

http://gitorious.org/mahara/mahara/commit/3eb5fc05deb0ee85875c27d3b227783648148e88

http://gitorious.org/mahara/mahara/commit/a7616932ba91a363ff031e3bce82ea93c8c6aa58

https://reviews.mahara.org/1434

https://reviews.mahara.org/1435

https://reviews.mahara.org/1436

https://reviews.mahara.org/1447

[Hugh Davenport (hugh-davenport)]

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