Commit 3a90c7949c ("Apply cookiecutter to newly split project
trove-tempest-plugin") adds (among many other things) doc for this
repo. Unfortunately a "search and replace" phase failed and Zaqar word
has not been replaced with Trove in installation.rst.
This commit fixes this dummy mistake.
Change-Id: If37590f6b7d27b84623663c54452fd67ae26c74c
Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>
b8ad443122