(1) removed install of php-pear; (2) use -J tar option on .xz file for libiodbc2 install.
(1) removed install of php-pear; (2) use -J tar option on .xz file for
libiodbc2 install.

lpalgarvio/Open-Semantic-Framework-Installer,structureddynamics/Open-Semantic-Framework-Installer,lpalgarvio/Open-Semantic-Framework-Installer,structureddynamics/Open-Semantic-Framework-Installer,neuroidss/Open-Semantic-Framework-Installer,neuroidss/Open-Semantic-Framework-Installer