Consistency fixes for balance sheet
Adding balance sheet latex template
Moving pdf balance sheet template to correct extension

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rename : UI/Reports/balance_sheet.pdf => UI/Reports/balance_sheet.tex
Initial PNL Latex template
Merging new templates and consistency in HTML, more testing needed, but nothing destabilized
Merge pull request #117 from einhverfr/master

Adds propsective PDF templates for income statements and balance sheets,