Added initial implementation for crontab.
Reformating the code with clang-formatter.
Added initial implementation for crontab.
Reformating the code with clang-formatter.
Merge branch 'crontab' of https://github.com/facebook/osquery into crontab
Initial implementation which is at least able to return users and
their database.
Functions for reading content of the database have been added.
Mapping between internal and external column representation has been added.
[vtables] Add user crons and use files
Add suid_bin vtable

The vtabel report :
- path: full path of the file
- unix_user: name of the owner (if not available display the uid)
- unix_group: name of the groupe (if not available display the gid)
- permissions: report suid or guid
	* S for suid bin
	* G for guid bin

Example :
osquery> select * from suid_bin;
+----------------------------------------------------------------------------------------------------+-----------+---------------+-------------+
| path                                                                                               | unix_user | unix_group    | permissions |
+----------------------------------------------------------------------------------------------------+-----------+---------------+-------------+
| "/bin/ps"                                                                                          | root      | wheel         | S           |
| "/bin/rcp"                                                                                         | root      | wheel         | S           |
| "/Users/vmauge/suid_test"                                                                          | vmauge    | 999           | SG          |
| "/usr/bin/at"                                                                                      | root      | wheel         | S           |
| "/usr/bin/atq"                                                                                     | root      | wheel         | S           |
| "/usr/bin/atrm"                                                                                    | root      | wheel         | S           |
| "/usr/bin/batch"                                                                                   | root      | wheel         | S           |
| "/usr/bin/crontab"                                                                                 | root      | wheel         | S           |
| "/usr/bin/ipcs"                                                                                    | root      | wheel         | S           |
| "/usr/bin/lockfile"                                                                                | root      | mail          | G           |
| "/usr/bin/login"                                                                                   | root      | wheel         | S           |
| "/usr/bin/newgrp"                                                                                  | root      | wheel         | S           |
| "/usr/bin/procmail"                                                                                | root      | mail          | G           |
| "/usr/bin/quota"                                                                                   | root      | wheel         | S           |
| "/usr/bin/rlogin"                                                                                  | root      | wheel         | S           |
| "/usr/bin/rsh"                                                                                     | root      | wheel         | S           |
| "/usr/bin/su"                                                                                      | root      | wheel         | S           |
| "/usr/bin/sudo"                                                                                    | root      | wheel         | S           |
| "/usr/bin/top"                                                                                     | root      | wheel         | S           |
| "/usr/bin/wall"                                                                                    | root      | tty           | G           |
| "/usr/bin/write"                                                                                   | root      | tty           | G           |
| "/usr/sbin/postdrop"                                                                               | root      | _postdrop     | G           |
| "/usr/sbin/postqueue"                                                                              | root      | _postdrop     | G           |
| "/usr/sbin/rpc.net"                                                                                | root      | wheel         | S           |
| "/usr/sbin/rpcset"                                                                                 | root      | wheel         | S           |
| "/usr/sbin/traceroute"                                                                             | root      | wheel         | S           |
| "/usr/sbin/traceroute6"                                                                            | root      | wheel         | S           |
+----------------------------------------------------------------------------------------------------+-----------+---------------+-------------+

This commit fixes issue #253.
[vtables] Support linux crontab vars
Merge pull request #269 from vmauge/suidbin

Add suid_bin vtable
Merge pull request #261 from facebook/crontab

[vtables] Crontab parsing for system/users
[vtables] CPUID asm call feature information
Merge pull request #264 from facebook/cpuid_table

[vtables] CPUID asm call feature information
Add process_envs table for OSX and Linux for issue #99
Fix clang format error
Update README.md
Merge pull request #270 from facebook/process_envs

Add process_envs table for OSX and Linux for issue #99
improves bash code that verifies if homebrew is installed
Fix a small typo.