Fixed a installer bug + some grammatical improvements

git-svn-id: https://svn.apache.org/repos/asf/syncope/branches/1_2_X@1619869 13f79535-47bb-0310-9956-ffa450edef68
Trying to reduce Travis logging thus avoiding false negatives

git-svn-id: https://svn.apache.org/repos/asf/syncope/branches/1_2_X@1619966 13f79535-47bb-0310-9956-ffa450edef68
Merge remote-tracking branch 'upstream/1_2_X' into 1_2_X