contrail-webui: Init. commit (as a bundle package)

Squash this commit for R1.06 backport

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s  fce78782e509474842bfc9cc0c63a646df2337ff
contrail-webui: Redirect logs (for the moment logs go to upstart…)

(cherry-picked from commit 4fd29016e0502ddc854b2cbfb09d84359cdad165)
contrai: pydist, explicitly override thrift

(cherry-pick from commit 43a67a7459df0753641b2dad83f27d18c93c8bb7)
contrail-utils: Fix install directory and alias provision script in PATH

With a .example file contrail-utils script go to
/usr/share/doc/contrail-utils/examples and py executables are gziped…
this not usable. This patch move all contrail controller utils scripts
to /usr/share/contrail-utils and alias all provision script in
secure-bin PATH.

(cherry-picked from commit 2911644725dbf8545fae6a82ac9b1cea03309547)
contrail-utils: Add {add,del}_route_target script also (to debug purpose)

(cherry-pick from commit c93938953b4c277070056748a99542a6085a7db5)
Merge pull request #117 from sbadia/R1.06

Sync R1.06: add contrail-webui-bundle package and minor fixes