Added maven-profiles to enable switching between yarn and non-yarn hadoop
First part of fix to exclude pact-hbase when hadoop v1 is used
Added extra profile entries in the pom.xml files in order to fix the hadoop_v1 compilation problems.
Merge pull request #1 from aalexandrov/hadoop-maven-profiles

Fix from Alexander, so that pact-hbase is only included if yarn is used (because it is not compatible with hadoop v1)
Made the hadoop_v1 profile active by default.
Moved hadoop.version property to the profiles.
Merge pull request #2 from aalexandrov/hadoop-maven-profiles

Made the hadoop_v1 maven profile active by default (hadoop version 1.2.1)
Travis build matrix for different profiles

updated contributers

added comment for eclipse users
Merge branch 'andrehacker-hadoop-maven-profiles'