[build] fix bus error while execute make -jN (N>1)
Check openssl in configure.ac and enable fuse option for mac
Merge branch 'poet'
Update seafile-admin

Remove new line character (if exists). Also Python 2.7.8 added a new line character with read() resulting data dir not being recognized as directory.
correct English
Merge pull request #779 from chtfn/patch-1

correct English
Merge pull request #776 from dbruenig/master

Remove new line characters from seafile_data_dir variable
Fixed a typo in the seaf-cli help message

Also made the capitalisation consistent
Merge pull request #789 from AWhetter/master

Fixed a typo in the seaf-cli help message
Merge pull request #747 from Chilledheart/patch-1

[build] fix bus error while execute make -jN (N>1)
fixed lib/Makefile.am for vala files
Merge branch '3.1'