[SPARK-7087] [BUILD] Fix path issue change version script

Author: Tijo Thomas <tijoparacka@gmail.com>

Closes #5656 from tijoparacka/FIX_PATHISSUE_CHANGE_VERSION_SCRIPT and squashes the following commits:

ab4f4b1 [Tijo Thomas] removed whitespace
24478c9 [Tijo Thomas] modified to provide the spark base dir while searching for pom and also while changing the vesrion no
7b8e10b [Tijo Thomas] Modified for providing the base directories while finding the list of pom files and also while changing the version no

dev/change-version-to-2.10.sh

@@ -18,9 +18,9 @@
 #
 
 # Note that this will not necessarily work as intended with non-GNU sed (e.g. OS X)
-
-find . -name 'pom.xml' | grep -v target \
+BASEDIR=$(dirname $0)/..
+find $BASEDIR -name 'pom.xml' | grep -v target \
   | xargs -I {} sed -i -e 's/\(artifactId.*\)_2.11/\1_2.10/g' {}
 
 # Also update <scala.binary.version> in parent POM
-sed -i -e '0,/<scala\.binary\.version>2.11</s//<scala.binary.version>2.10</' pom.xml
+sed -i -e '0,/<scala\.binary\.version>2.11</s//<scala.binary.version>2.10</' $BASEDIR/pom.xml

dev/change-version-to-2.11.sh

@@ -18,9 +18,9 @@
 #
 
 # Note that this will not necessarily work as intended with non-GNU sed (e.g. OS X)
-
-find . -name 'pom.xml' | grep -v target \
+BASEDIR=$(dirname $0)/..
+find $BASEDIR -name 'pom.xml' | grep -v target \
   | xargs -I {} sed -i -e 's/\(artifactId.*\)_2.10/\1_2.11/g' {}
 
 # Also update <scala.binary.version> in parent POM
-sed -i -e '0,/<scala\.binary\.version>2.10</s//<scala.binary.version>2.11</' pom.xml
+sed -i -e '0,/<scala\.binary\.version>2.10</s//<scala.binary.version>2.11</' $BASEDIR/pom.xml