Merge branch 'master' of https://github.com/Sliverb/MetroStock

Conflicts:
	.gitignore
Repro Cleaning
Cleanup

More clean up
Clean up 2

Part 2
Added generating into PDF functionality to Reports

Added TCPDF library and corresponding files., Modified the
reportscontroller to incorporate the exporting into pdf format of the
reports functionality - Narayana Kandula
Implemented the PDF functionality in Purchase Orders and Sales Orders

Added couple of functions in purchasesController and SalesController.
Also added two functions in helperscontroller.
Implemented the the session time out

Implemented the the session time out
Updating ignore
Delete config.php
Replacing .ignore
Merge remote-tracking branch 'origin/master'

Conflicts:
	.gitignore