org-agenda.el (org-agenda-get-deadlines): Fix bug: use `org-agenda-show-inherited-tags'

* org-agenda.el (org-agenda-get-deadlines): Fix bug: use
`org-agenda-show-inherited-tags'.

Thanks to Kiwon Um for reporting this.
Merge branch 'maint'

Conflicts:
	lisp/org-agenda.el
org-element.el (org-element-at-point): Fix typo in docstring

* org-element.el (org-element-at-point): Fix typo in docstring.
Merge branch 'maint'
ob-python.el: Fix compatibility bug.

* ob-python.el (org-babel-python-command): Fix docstring.
(org-babel-python-initiate-session-by-key): Fix bug: `run-python'
from Emacs >24.1 requires a python command as an argument.

Thanks to Myles English for raising this issue.
Merge branch 'maint'
org-clock.el (org-clock-in): Fix bug when fetching the effort value

* org-clock.el (org-clock-in): Fix bug when fetching the effort
value.

Thanks to Vasil S. Diadov for reporting this bug and proposing a patch.
Merge branch 'maint'
org.texi (Org-Plot): Update link

* org.texi (Org-Plot): Update link.

Thanks to Xue Fuqiao for reporting this.
Merge branch 'maint'
Silence byte-compiler
org.texi (Installation): Enhance instructions again

* org.texi (Installation): Enhance instructions again.
Merge branch 'maint'
New face `org-priority'.  Enhance fontification of priority cookies in agenda.

* org-faces.el (org-priority): New face.

* org.el (org-font-lock-add-priority-faces): Use the new face.

* org-agenda.el (org-agenda-fontify-priorities): Use the
org-priority face and add specific agenda face on top of it.
org-agenda.el (org-diary): Only keep the descriptions of the links

* org-agenda.el (org-diary): Only keep the descriptions of the
links since Org links are not active in the diary buffer.
Fix last commit.
org.el (org-read-date): Bind `!' to `diary-view-entries'

* org.el (org-read-date): Bind `!' to `diary-view-entries' in
order to check diary entries while setting an Org date.
org-man.el (org-man-export): New function to export links of type "man"

* org-man.el (org-man-export): New function to export links of
type "man".
org-docview.el (org-docview-export): New function to export docview links

* org-docview.el (org-docview-export): New function to export
docview links.

TINYCHANGE

Patch slightly modified by Bastien.
Fix compiler warning.