Add argument to upload-api:replace if exist
Merge branch 'poet' into 3.0
Use uname command to detect Darwin platform
Add travis-ci script
Merge pull request #680 from Chilledheart/detect_darwin_correctly

Use uname command to detect Darwin platform
Merge pull request #689 from Chilledheart/travis-ci

Add travis-ci script
travis-ci: build vala file seperately to avoid bus error
Merge pull request #690 from Chilledheart/travis-ci

travis-ci: build vala file seperately to avoid bus error
[lib] remove duplicated code in rsa.c

    - remove duplicated code
    - better code style
Merge pull request #698 from Chilledheart/remove_duplcated_code

[lib] remove duplicated code in rsa.c
[server] correct usage of g_strndup

  - g_strndup will always allocate a n+1 bytes string, and terminate it by NULL.
  - there is no need for manually doing this.
  - see more at glib's source (glib/gstrfuncs.c)
  - see more at glib's document
    https://developer.gnome.org/glib/2.28/glib-String-Utility-Functions.html
Merge pull request #703 from Chilledheart/correct_usage_of_g_strndup

[server] correct usage of g_strndup
fixed strftime on win32 server, Closes haiwen/seafile-client#134
Merge pull request #710 from haiwen/fix-win-strftime

fixed strftime on win32 server, Closes haiwen/seafile-client#134
[server] rename httpserver to fileserver

The name "httpserver" is misleading, since it only handles raw file
upload/download.
Merge pull request #715 from haiwen/fserver

[server] rename httpserver to fileserver
[net] add initial support for reopening logfile
remove related pid file when kill the controlled process among seafile-controller
modify commited code format
fixed typo, purely cosmetic

"executable" was written as "exectuble" and "exectuable"