[FIX] Install mercurial using pip instead of apt to avoid errors duri…
…ng the build.
We have to use pip2 because mercurial does not support p3:
![a]http://screenshots.vauxoo.com/tulio/16401501419-diPUXjd3di.jpg)
…ng the build.
We have to use pip2 because mercurial does not support p3:
![a]http://screenshots.vauxoo.com/tulio/16401501419-diPUXjd3di.jpg)