Bugfixes for RC1 and 1.7.2rc1 release (#332)

Release 1.7.1 (#309)

* Full support for python 3.
* Refactored and updated EFilter engine is more robust and powerful.

Pre-release fixes.

* Added a file() efilter function.
* Updated version script to control Debian package version.
* Added osquery to the linux deb build. Run it off the system otherwise.

Review URL: https://codereview.appspot.com/322480043 .

Release v1.6.0

Review URL: https://codereview.appspot.com/315030043 .

Release 1.5.3 Final.

Review URL: https://codereview.appspot.com/308070043 .

Release 1.5.2 Furka.

Review URL: https://codereview.appspot.com/297630043 .

Release 1.5.2.rc1

Review URL: https://codereview.appspot.com/299220043 .

Fixed a bug in OSX.

Also updated more windows plugins to typed output.

R=parki.san@gmail.com

Review URL: https://codereview.appspot.com/297350043 .

Updated yarascan on windows to only scan VAD regions when asked to sc…

…an processes.

Added the end parameter to get_mappings() to be able to exit the iterator early.

BUG=
R=parki.san@gmail.com

Review URL: https://codereview.appspot.com/291330043.

Fixed a bug where Linux task address spaces wouldn't inherit the prof…

…ile.

Fixed a bug where get_available_addresses in the XEN AS would return MFNs, breaking plugins that depend on it, like memdump.
Fixed an issue where phys_addr in Linux profiles would return negative values.
BUG=
R=scudette@gmail.com

Review URL: https://codereview.appspot.com/264190043