Chaned the main.cpp file [Code convention change]

Fixed mall spelling errors
Space addition

I added space between parameters and parathensis
space addtion

I added spaces between parameters and paranthensis
If statements modified

I altered the structure of if statements according the rules given
structuring

made changes on mainwindow header and docinterface.ccp file , i didi
spaces where they are needed
pad paranthesized expression

code spacing!
Pad Parathensized Expression

code Spacing
pad parenthesized expressions with spaces

Changed the main.cpp file[structuring]
Merge pull request #43 from koketso122/master

pad parenthesized expressions with spaces
Code changes according to the conventions
Merge pull request #42 from Derrick-Pit/master

Structure Formatting
Code changes according to the conventions
Merge branch 'master' of https://github.com/Serame/iUpdate into Serame-master

Conflicts:
	DocumentInterface.h
	IUpdate.pro.user
	mainwindow.cpp
Merge branch 'master' of https://github.com/karabopelle/iUpdate into karabopelle-master

Conflicts:
	docinterface.cpp
	mainwindow.cpp
Function Names

Recoding of function names, error detection and error fixing!
Naming Convention

Naming Conventions and code indentation
ff

ff
Applied the functin naming convention

in this part I capitalized all the fisrt letters of every method
Merge branch 'master' of https://github.com/Serame/iUpdate into Serame-master

Conflicts:
	DocumentInterface.h
	IUpdate.pro.user
	docinterface.cpp
	mainwindow.cpp
Merge branch 'Serame-master'

Conflicts:
	docinterface.cpp
	docinterface.h
	mainwindow.cpp
Merge branch 'master' of https://github.com/Derrick-Pit/iUpdate into Derrick-Pit-master

Conflicts:
	IUpdate.pro.user
	mainwindow.cpp
Merging from students