Issue #736456: Add position:relative; to #uc_termsofservice_agreement_checkout-pane .tos-text to make it work with IE7.

#[955188]: Added documentation for Secure Pages checkout pane integration.
#[958680]: Fixed conditional actions issue with required TOS.

#736456 by chris_car: css fix for IE

#[756196] by [soglesby]: [Next button is not displayed for checkout].
#[779198] by [cjscullyca]: [Modal window size now is configurable].
#[731868] by [cjscullyca,xibun]: [Selectively Display on Checkout].
#[790584] by [soglesby]: [Error message is not informative when I agree to terms is not checked].

#690970 by ezra-g: Replace of custom template by node_view
#690992 by ezra-g: Node Access for autocomplete field

- Minor coder issues fixed.
- File uc_termsofservice.admin.inc is not required anymore.

Include of hook_uninstall in order to delete those variables
Typo in README.txt

Added a decent README.txt file
Corrected some issues with coding standards