Amended spelling and grammar in 3 files

Simple grammar changes and one spelling mistake.
Spelling error

Line 8, "something" was missing an "h".
Merge pull request #3 from findsorguk/master

Spelling error in 500 template
Merge pull request #2 from findsorguk/Spelling-corrections

Amended spelling and grammar in 3 files
added privacy mode field to account update form template
Merge pull request #11 from alejandrodob/master

added privacy mode field to account update form template
Modified admin/index.html to add button links to download users list. Refs. PyBossa/pybossa@873cb89ff6ee77b110967d26aa4a92d836b0571f
Modified div id for user list
Modified app view to render markdown in long_description
Modified reference to old HTML in long_description: now Markdown
Merge branch 'master' into download-user-list-pybossa-issue-608

* master:
  added privacy mode field to account update form template
Merge branch 'master' into markdown-long-description-issue-684

* master:
  added privacy mode field to account update form template
Merge pull request #12 from PyBossa/download-user-list-pybossa-issue-608

Download user list pybossa issue 608
Modified app view to render markdown in long_description
Modified reference to old HTML in long_description: now Markdown
Merge branch 'markdown-long-description-issue-684' of https://github.com/PyBossa/pybossa-default-theme into markdown-long-description-issue-684

* 'markdown-long-description-issue-684' of https://github.com/PyBossa/pybossa-default-theme:
  Modified reference to old HTML in long_description: now Markdown
  Modified app view to render markdown in long_description
Merge pull request #13 from PyBossa/markdown-long-description-issue-684

Markdown long description issue 684
Merge branch 'master' into issue-720-pybossa-app-factories