Report tool training doc.

Page for the training for this module and its resources. This commit fixes #15 issue.
Misc training doc.

* Fixes #24 issue
* Fixes #25 issue
Merge branch 'issue_15_report_docs' of git://github.com/alediator/crop-information-portal into alediator-issue_15_report_docs
added previews of the pdf
Merge branch 'issue_24_compile_flow_status' of git://github.com/alediator/crop-information-portal into alediator-issue_24_compile_flow_status
Fix warning on admin training docs

* Fix table format on model.rst
* Fix some unexpected code block close.
* Fix unfinished underscored title on introduction.rst
* Fix links on csv training doc
* Include complete example on crop_agro page
Issues Committed: #6, #7, #8, #10, #11 e #13
revision of misc doc page
Merge branch 'master' of github.com:geosolutions-it/crop-information-portal
Issues Committed: #14
Merge branch 'master' of https://github.com/geosolutions-it/crop-information-portal
various fixes to admin and arch parts
Merge branch 'issue_37_fix_warnings' of git://github.com/alediator/crop-information-portal into alediator-issue_37_fix_warnings
Merge branch 'master' of github.com:geosolutions-it/crop-information-portal
compiled overview
fixed admin overview image
fixed size of table picture
Issues Committed: #16, User Management page
improved using page. fix typos and add image
Merge branch 'master' of github.com:geosolutions-it/crop-information-portal