Fix issue #15.

(org-caldav-rewrite-uid-in-event): Org 8 may add number to 'TS'.
README.md: Re-add Google since they changed their mind.
(testsuite): Google somehow changed timezone handling. Testsuite still
failing later, though.
Disable bbdb aniversaries during export.

(org-caldav-generate-ics): Set
`org-icalendar-include-bbdb-anniversaries' to nil since it is not yet
supported for syncing.
Fix issue #17

(org-caldav-sync-result-print-entries): Deal with entries with no
titles.
Better detection of url-dav problems (issue #22).

(org-caldav-sync): Separate tests for versions of the url-dav package
and `url-dav-supported-p'.
org-caldav-goto-uid: Only look at the link text-property

Text could have more than one text property, and old code will fail in
such a case.
Merge pull request #24 from vanicat/master

(org-caldav-goto-uid): Only look at the link text-property.
(Readme): Update on Google
Accept more than 10 TS/DL uid

When the org exporter add an TS or DL prefix to an uid, it can an a
if there is more than one. This number can be greater than 9; making
org-caldav to fail to sync. Let strip as many digit as there is.

Signed-off-by: Rémi Vanicat <vanicat@debian.org>
Merge pull request #34 from vanicat/t/prefix

Accept more than 10 TS/DL uid
Allow for non .ics extensions on calendar entries.

* Davmail stores its calendar entries as UUID.EML and was previously unusable.
org-caldav-cleanup-ics-description: Properly clean ranged timestamps from description
org-caldav-sync-result-print-entries: Insert "None" without entries
org-caldav-select-tags: Add variable to sync only entries with specific tags
org-caldav-inbox: Enable specifying a heading, where to add new entries

enables org-capture like syntax for specifying a heading, under which
new entries will be filed.

- "path/to/file"
- (file "path/to/file")
- (file+headline "path/to/file" "heading title")
- (id "<uid>")
org-caldav-calendars: Support multiple calendars

if defined, this variable will be iterated over and selectively
overwrites the default configuration.
org-caldav-sync-result-print-entries: Fix overzealous tabify
Merge branch 'master' of https://github.com/coroa/org-caldav
Fix/extend doc strings.