Ensure PHP 5.4.x compliance

(from [1149adbdfc4043397a9a6340d50254111f244580]) Creates greater PHP 5.4.x compliance [#561 Ensure PHP 5.4.x compliance] https://github.com/exponentcms/exponent-cms/commit/1149adbdfc404339...

(from [231a69b6e4febb8a8900948c1125e3825ebf4ba0]) Creates greater PHP 5.4.x compliance and attempts to remove some Smarty warnings, also adds Smarty Debug option [#561 Ensure PHP 5.4.x compliance #437 Bug: Remove Smarty disable warnings code] https://github.com/exponentcms/exponent-cms/commit/231a69b6e4febb8a...

(from [3ae466c945a5ace9e5559b13601e02b177c50446]) Removes PHP 5.4 warning w/ array_diff_assoc during install_tables [#561 Ensure PHP 5.4.x compliance] https://github.com/exponentcms/exponent-cms/commit/3ae466c945a5ace9...

(from [aeba734fb966a468f6de853b7441c6d100a64d0a]) Several PHP 5.4.x compliance edits along with specific updates to rss feed code [#561 Ensure PHP 5.4.x compliance] https://github.com/exponentcms/exponent-cms/commit/aeba734fb966a468...

(from [a22e817740e2903d4ad4ae7e3f7b108e55a432e7]) marks more static classes as 'static' since they are called statically which is a warning in php v5.4 [#561 Ensure PHP 5.4.x compliance] https://github.com/exponentcms/exponent-cms/commit/a22e817740e2903d...

(from [5251e70bd4fa7df925d6973a66fc15eadc8560d0]) Initializes some classes to ensure PHP 5.4.x compliance [#561 Ensure PHP 5.4.x compliance] https://github.com/exponentcms/exponent-cms/commit/5251e70bd4fa7df9...

(from [3e3bea9380f964188f036d74159b4ea7db3385ec]) Fixes some ecommerce display issues: ecom header/footer given longer name to deconflict with items on the theme template (old config won't be updated), all dashboard links now functional, fixed some popup calendar anomalies, removed some php v5.4 warnings [#615 Bug: ecomconfig/configure gets confused if theme uses name="header" state:resolved responsible:dleffler milestone:2.0.9] [#561 Ensure PHP 5.4.x compliance] https://github.com/exponentcms/exponent-cms/commit/3e3bea9380f96418...